storage/raft: The storage configuration now accepts a new max_entry_size config that will limit the total size in bytes of any entry committed via raft. It defaults to "1048576" (1MiB). [GH-9027]
token: Token creation with custom token ID via id will no longer allow periods (.) as part of the input string. The final generated token value may contain periods, such as the s. prefix for service token indication. [GH-8646]
token: Token renewals will now return token policies within the token_policies , identity policies within identity_policies, and the full policy set within policies. [GH-8535]
cubbyhole: Reject reads and writes to an empty ("") path. [GH-8971]
core: Remove the addition of newlines to parsed configuration when using integer/boolean values [GH-8928]
audit: Token TTL and issue time are now provided in the auth portion of audit logs. [GH-9091]

IMPROVEMENTS:

audit: Replication status requests are no longer audited. [GH-8877]
auth/aws: Add support for Web Identity credentials [GH-7738]
auth/kubernetes: Allow disabling iss validation [GH-91]
core: Add the Go version used to build a Vault binary to the server message output. [GH-9078]
core: Added Password Policies for user-configurable password generation [GH-8637]
cli: Support reading TLS parameters from file for the vault operator raft join command. [GH-9060]
plugin: Add SDK method, Sys.ReloadPlugin, and CLI command, vault plugin reload, for reloading plugins. [GH-8777]
sdk/framework: Support accepting TypeFloat parameters over the API [GH-8923]
secrets/aws: Add iam_groups parameter to role create/update [GH-8811]
secrets/database: Add static role rotation for MongoDB Atlas database plugin [GH-11]
secrets/database: Add static role rotation for MSSQL database plugin [GH-9062]
secrets/database: Allow InfluxDB to use insecure TLS without cert bundle [GH-8778]
secrets/gcp: Support BigQuery dataset ACLs in absence of IAM endpoints [GH-78]
secrets/pki: Allow 3072-bit RSA keys [GH-8343]
secrets/ssh: Add a CA-mode role option to specify signing algorithm [GH-9096]
secrets/transit: Transit requests that make use of keys now include a new field key_version in their responses [GH-8775]
secrets/transit: Improving transit batch encrypt and decrypt latencies [GH-9100]
sentinel: Add a sentinel config section, and "additional_enabled_modules", a list of Sentinel modules that may be imported in addition to the defaults.
ui: Update TTL picker styling on SSH secret engine [GH-8891]
ui: Only render the JWT input field of the Vault login form on mounts configured for JWT auth [GH-8952]
cli: Add a new subcommand, vault monitor, for tailing server logs in the console. [GH-8477]
ui: Add replication dashboards. Improve replication management workflows. [GH-8705].

BUG FIXES:

agent: Restart template server when it shuts down [GH-9200]
auth/oci: Fix issue where users of the Oracle Cloud Infrastructure (OCI) auth method could not authenticate when the plugin backend was mounted at a non-default path. [GH-7]
core: Extend replicated cubbyhole fix in 1.4.0 to cover case where a performance primary is also a DR primary [GH-9148]
secrets/aws: Fix issue where performance standbys weren't able to generate STS credentials after an IAM access key rotation in AWS and root IAM credential update in Vault [GH-9186]
secrets/database: Fix issue where rotating root database credentials while Vault's storage backend is unavailable causes Vault to lose access to the database [GH-8782]
secrets/database: Fix issue that prevents performance standbys from connecting to databases after a root credential rotation [GH-9129]
secrets/gcp: Fix issue were updates were not being applied to the token_scopes of a roleset. [GH-90]
secrets/kv: Return the value of delete_version_after when reading kv/config, even if it is set to the default. [GH-42]
ui: Add Toggle component into core addon so it is available in KMIP and other Ember Engines.[GH-8913]
ui: Disallow max versions value of large than 9999999999999999 on kv2 secrets engine. [GH-9242]

1.4.3 (TBD)

IMPROVEMENTS:

core: Add the Go version used to build a Vault binary to the server message output. [GH-9078]
auth/aws: Add support for Web Identity credentials [GH-9251]
ui: Link to the Vault Changelog in the UI footer [GH-9216]

BUG FIXES:

auth/oci: Fix issue where users of the Oracle Cloud Infrastructure (OCI) auth method could not authenticate when the plugin backend was mounted at a non-default path. [GH-9278]
replication: The issue causing cubbyholes in namespaces on performance secondaries to not work, which was fixed in 1.4.0, was still an issue when the primary was both a performance primary and DR primary.
secrets/aws: Fix issue where performance standbys weren't able to generate STS credentials after an IAM access key rotation in AWS and root IAM credential update in Vault [GH-9207]
secrets/database: Fix issue that prevents performance standbys from connecting to databases after a root credential rotation [GH-9208]
secrets/gcp: Fix issue were updates were not being applied to the token_scopes of a roleset. [GH-9277]

1.4.2 (May 21st, 2020)

SECURITY:

core: Proxy environment variables are now redacted before being logged, in case the URLs include a username:password. This vulnerability, CVE-2020-13223, is fixed in 1.3.6 and 1.4.2, but affects 1.4.0 and 1.4.1, as well as older versions of Vault [GH-9022]
secrets/gcp: Fix a regression in 1.4.0 where the system TTLs were being used instead of the configured backend TTLs for dynamic service accounts. This vulnerability is CVE-2020-12757. [GH-85]

IMPROVEMENTS:

storage/raft: The storage stanza now accepts leader_ca_cert_file, leader_client_cert_file, and leader_client_key_file parameters to read and parse TLS certificate information from paths on disk. Existing non-path based parameters will continue to work, but their values will need to be provided as a single-line string with newlines delimited by \n. [GH-8894]
storage/raft: The vault status CLI command and the sys/leader API now contain the committed and applied raft indexes. [GH-9011]

BUG FIXES:

auth/aws: Fix token renewal issues caused by the metadata changes in 1.4.1 [GH-8991]
auth/ldap: Fix 1.4.0 regression that could result in auth failures when LDAP auth config includes upndomain. [GH-9041]
secrets/ad: Forward rotation requests from standbys to active clusters [GH-66]
secrets/database: Prevent generation of usernames that are not allowed by the MongoDB Atlas API [GH-9]
secrets/database: Return an error if a manual rotation of static account credentials fails [GH-9035]
secrets/openldap: Forward all rotation requests from standbys to active clusters [GH-9028]
secrets/transform (enterprise): Fix panic that could occur when accessing cached template entries, such as a requests that accessed templates directly or indirectly from a performance standby node.
serviceregistration: Fix a regression for Consul service registration that ignored using the listener address as the redirect address unless api_addr was provided. It now properly uses the same redirect address as the one used by Vault's Core object. [GH-8976]
storage/raft: Advertise the configured cluster address to the rest of the nodes in the raft cluster. This fixes an issue where a node advertising 0.0.0.0 is not using a unique hostname. [GH-9008]
storage/raft: Fix panic when multiple nodes attempt to join the cluster at once. [GH-9008]
sys: The path provided in sys/internal/ui/mounts/:path is now namespace-aware. This fixes an issue with vault kv subcommands that had namespaces provided in the path returning permission denied all the time. [GH-8962]
ui: Fix snowman that appears when namespaces have more than one period [GH-8910]

1.4.1 (April 30th, 2020)

CHANGES:

auth/aws: The default set of metadata fields added in 1.4.1 has been changed to account_id and auth_type [GH-8783]
storage/raft: Disallow ha_storage to be specified if raft is set as the storage type. [GH-8707]

IMPROVEMENTS:

auth/aws: The set of metadata stored during login is now configurable [GH-8783]
auth/aws: Improve region selection to avoid errors seen if the account hasn't enabled some newer AWS regions [GH-8679]
auth/azure: Enable login from Azure VMs with user-assigned identities [GH-33]
auth/gcp: The set of metadata stored during login is now configurable [GH-92]
auth/gcp: The type of alias name used during login is now configurable [GH-95]
auth/ldap: Improve error messages during LDAP operation failures [GH-8740]
identity: Add a batch delete API for identity entities [GH-8785]
identity: Improve performance of logins when no group updates are needed [GH-8795]
metrics: Add vault.identity.num_entities metric [GH-8816]
secrets/kv: Allow delete-version-after to be reset to 0 via the CLI [GH-8635]
secrets/rabbitmq: Improve error handling and reporting [GH-8619]
ui: Provide One Time Password during Operation Token generation process [GH-8630]

BUG FIXES:

auth/okta: Fix MFA regression (introduced in GH-8143) from 1.4.0 [GH-8807]
auth/userpass: Fix upgrade value for token_bound_cidrs being ignored due to incorrect key provided [GH-8826]
config/seal: Fix segfault when seal block is removed [GH-8517]
core: Fix an issue where users attempting to build Vault could receive Go module checksum errors [GH-8770]
core: Fix blocked requests if a SIGHUP is issued during a long-running request has the state lock held. Also fixes deadlock that can happen if vault debug with the config target is ran during this time. [GH-8755]
core: Always rewrite the .vault-token file as part of a vault login to ensure permissions and ownership are set correctly [GH-8867]
database/mongodb: Fix context deadline error that may result due to retry attempts on failed commands [GH-8863]
http: Fix superflous call messages from the http package on logs caused by missing returns after respondError calls [GH-8796]
namespace (enterprise): Fix namespace listing to return key_info when a scoping namespace is also provided.
seal/gcpkms: Fix panic that could occur if all seal parameters were provided via environment variables [GH-8840]
storage/raft: Fix memory allocation and incorrect metadata tracking issues with snapshots [GH-8793]
storage/raft: Fix panic that could occur if disable_clustering was set to true on Raft storage cluster [GH-8784]
storage/raft: Handle errors returned from the API during snapshot operations [GH-8861]
sys/wrapping: Allow unwrapping of wrapping tokens which contain nil data [GH-8714]

1.4.0 (April 7th, 2020)

CHANGES:

cli: The raft configuration command has been renamed to list-peers to avoid confusion.

FEATURES:

Kerberos Authentication: Vault now supports Kerberos authentication using a SPNEGO token. Login can be performed using the Vault CLI, API, or agent.
Kubernetes Service Discovery: A new Kubernetes service discovery feature where, if configured, Vault will tag Vault pods with their current health status. For more, see #8249.
MongoDB Atlas Secrets: Vault can now generate dynamic credentials for both MongoDB Atlas databases as well as the Atlas programmatic interface.
OpenLDAP Secrets Engine: We now support password management of existing OpenLDAP user entries. For more, see #8360.
Redshift Database Secrets Engine: The database secrets engine now supports static and dynamic secrets for the Amazon Web Services (AWS) Redshift service.
Service Registration Config: A newly introduced service_registration configuration stanza, that allows for service registration to be configured separately from the storage backend. For more, see #7887.
Transform Secrets Engine (Enterprise): A new secrets engine that handles secure data transformation and tokenization against provided input value.
Integrated Storage: Promoted out of beta and into general availability for both open-source and enterprise workloads.

IMPROVEMENTS:

agent: add option to force the use of the auth-auth token, and ignore the Vault token in the request [GH-8101]
api: Restore and fix DNS SRV Lookup [GH-8520]
audit: HMAC http_raw_body in audit log; this ensures that large authenticated Prometheus metrics responses get replaced with short HMAC values [GH-8130]
audit: Generate-root, generate-recovery-token, and generate-dr-operation-token requests and responses are now audited. [GH-8301]
auth/aws: Reduce the number of simultaneous STS client credentials needed [GH-8161]
auth/azure: subscription ID, resource group, vm and vmss names are now stored in alias metadata [GH-30]
auth/jwt: Additional OIDC callback parameters available for CLI logins [GH-80 & GH-86]
auth/jwt: Bound claims may be optionally configured using globs [GH-89]
auth/jwt: Timeout during OIDC CLI login if process doesn't complete within 2 minutes [GH-97]
auth/jwt: Add support for the form_post response mode [GH-98]
auth/jwt: add optional client_nonce to authorization flow [GH-104]
auth/okta: Upgrade okta sdk lib, which should improve handling of groups [GH-8143]
aws: Add support for v2 of the instance metadata service (see issue 7924 for all linked PRs)
core: Separate out service discovery interface from storage interface to allow new types of service discovery not coupled to storage [GH-7887]
core: Add support for telemetry option metrics_prefix [GH-8340]
core: Entropy Augmentation can now be used with AWS KMS and Vault Transit seals
core: Allow tls_min_version to be set to TLS 1.3 [GH-8305]
cli: Incorrect TLS configuration will now correctly fail [GH-8025]
identity: Allow specifying a custom client_id for identity tokens [GH-8165]
metrics/prometheus: improve performance with high volume of metrics updates [GH-8507]
replication (enterprise): Fix race condition causing clusters with high throughput writes to sometimes fail to enter streaming-wal mode
replication (enterprise): Secondary clusters can now perform an extra gRPC call to all nodes in a primary cluster in an attempt to resolve the active node's address
replication (enterprise): The replication status API now outputs last_performance_wal, last_dr_wal, and connection_state values
replication (enterprise): DR secondary clusters can now be recovered by the replication/dr/secondary/recover API
replication (enterprise): We now allow for an alternate means to create a Disaster Recovery token, by using a batch token that is created with an ACL that allows for access to one or more of the DR endpoints.
secrets/database/mongodb: Switched internal MongoDB driver to mongo-driver [GH-8140]
secrets/database/mongodb: Add support for x509 client authorization to MongoDB [GH-8329]
secrets/database/oracle: Add support for static credential rotation [GH-26]
secrets/consul: Add support to specify TLS options per Consul backend [GH-4800]
secrets/gcp: Allow specifying the TTL for a service key [GH-54]
secrets/gcp: Add support for rotating root keys [GH-53]
secrets/gcp: Handle version 3 policies for Resource Manager IAM requests [GH-77]
secrets/nomad: Add support to specify TLS options per Nomad backend [GH-8083]
secrets/ssh: Allowed users can now be templated with identity information [GH-7548]
secrets/transit: Adding RSA3072 key support [GH-8151]
storage/consul: Vault returns now a more descriptive error message when only a client cert or a client key has been provided [GH-4930]
storage/raft: Nodes in the raft cluster can all be given possible leader addresses for them to continuously try and join one of them, thus automating the process of join to a greater extent [GH-7856]
storage/raft: Fix a potential deadlock that could occur on leadership transition [GH-8547]
storage/raft: Refresh TLS keyring on snapshot restore [GH-8546]
storage/etcd: Bumped etcd client API SDK [GH-7931 & GH-4961 & GH-4349 & GH-7582]
ui: Make Transit Key actions more prominent [GH-8304]
ui: Add Core Usage Metrics [GH-8347]
ui: Add refresh Namespace list on the Namespace dropdown, and redesign of Namespace dropdown menu [GH-8442]
ui: Update transit actions to codeblocks & automatically encode plaintext unless indicated [GH-8462]
ui: Display the results of transit key actions in a modal window [GH-8462]
ui: Transit key version styling updates & ability to copy key from dropdown [GH-8480]

BUG FIXES:

agent: Fix issue where TLS options are ignored for agent template feature [GH-7889]
auth/jwt: Use lower case role names for default_role to match the role case convention [GH-100]
auth/ldap: Fix a bug where the UPNDOMAIN parameter was wrongly used to lookup the group membership of the given user [GH-6325]
cli: Support autocompletion for nested mounts [GH-8303]
cli: Fix CLI namespace autocompletion [GH-8315]
identity: Fix incorrect caching of identity token JWKS responses [GH-8412]
metrics/stackdriver: Fix issue that prevents the stackdriver metrics library to create unnecessary stackdriver descriptors [GH-8073]
replication: Fix issue causing cubbyholes in namespaces on performance secondaries to not work.
replication (enterprise): Unmounting a dynamic secrets backend could sometimes lead to replication errors. Change the order of operations to prevent that.
seal (enterprise): Fix seal migration when transactional seal wrap backend is in use.
secrets/database/influxdb: Fix potential panic if connection to the InfluxDB database cannot be established [GH-8282]
secrets/database/mysql: Ensures default static credential rotation statements are used [GH-8240]
secrets/database/mysql: Fix inconsistent query parameter names: {{name}} or {{username}} for different queries. Now it allows for either for backwards compatibility [GH-8240]
secrets/database/postgres: Fix inconsistent query parameter names: {{name}} or {{username}} for different queries. Now it allows for either for backwards compatibility [GH-8240]
secrets/pki: Support FQDNs in DNS Name [GH-8288]
storage/raft: Allow seal migration to be performed on Vault clusters using raft storage [GH-8103]
telemetry: Prometheus requests on standby nodes will now return an error instead of forwarding the request to the active node [GH-8280]
ui: Fix broken popup menu on the transit secrets list page [GH-8348]
ui: Update headless Chrome flag to fix yarn run test:oss [GH-8035]
ui: Update CLI to accept empty strings as param value to reset previously-set values
ui: Fix bug where error states don't clear when moving between action tabs on Transit [GH-8354]

1.3.6 (May 21st, 2020)

SECURITY:

core: proxy environment variables are now redacted before being logged, in case the URLs include a username:password. This vulnerability, CVE-2020-13223, is fixed in 1.3.6 and 1.4.2, but affects 1.4 and 1.4.1, as well as older versions of Vault [GH-9022]

BUG FIXES:

auth/aws: Fix token renewal issues caused by the metadata changes in 1.3.5 [GH-8991]
replication: Fix mount filter bug that allowed replication filters to hide local mounts on a performance secondary

1.3.5 (April 28th, 2020)

CHANGES:

auth/aws: The default set of metadata fields added in 1.3.2 has been changed to account_id and auth_type [GH-8783]

IMPROVEMENTS:

auth/aws: The set of metadata stored during login is now configurable [GH-8783]

1.3.4 (March 19th, 2020)

SECURITY:

A vulnerability was identified in Vault and Vault Enterprise such that, under certain circumstances, an Entity's Group membership may inadvertently include Groups the Entity no longer has permissions to. This vulnerability, CVE-2020-10660, affects Vault and Vault Enterprise versions 0.9.0 and newer, and is fixed in 1.3.4. [GH-8606]
A vulnerability was identified in Vault Enterprise such that, under certain circumstances, existing nested-path policies may give access to Namespaces created after-the-fact. This vulnerability, CVE-2020-10661, affects Vault Enterprise versions 0.11 and newer, and is fixed in 1.3.4.

1.3.3 (March 5th, 2020)

BUG FIXES:

approle: Fix excessive locking during tidy, which could potentially block new approle logins for long enough to cause an outage [GH-8418]
cli: Fix issue where Raft snapshots from standby nodes created an empty backup file [GH-8097]
identity: Fix incorrect caching of identity token JWKS responses [GH-8412]
kmip: role read now returns tls_client_ttl
kmip: fix panic when templateattr not provided in rekey request
secrets/database/influxdb: Fix potential panic if connection to the InfluxDB database cannot be established [GH-8282]
storage/mysql: Fix potential crash when using MySQL as coordination for high availability [GH-8300]
storage/raft: Fix potential crash when using Raft as coordination for high availability [GH-8356]
ui: Fix missing License menu item [GH-8230]
ui: Fix bug where default auth method on login is defaulted to auth method that is listing-visibility=unauth instead of “other” [GH-8218]
ui: Fix bug where KMIP details were not shown in the UI Wizard [GH-8255]
ui: Show Error messages on Auth Configuration page when you hit permission errors [GH-8500]
ui: Remove duplicate form inputs for the GitHub config [GH-8519]
ui: Correct HMAC capitalization [GH-8528]
ui: Fix danger message in DR [GH-8555]
ui: Fix certificate field for LDAP config [GH-8573]

1.3.2 (January 22nd, 2020)

SECURITY:

When deleting a namespace on Vault Enterprise, in certain circumstances, the deletion process will fail to revoke dynamic secrets for a mount in that namespace. This will leave any dynamic secrets in remote systems alive and will fail to clean them up. This vulnerability, CVE-2020-7220, affects Vault Enterprise 0.11.0 and newer.

IMPROVEMENTS:

auth/aws: Add aws metadata to identity alias [GH-7985]
auth/kubernetes: Allow both names and namespaces to be set to "*" [GH-78]

BUG FIXES:

auth/azure: Fix Azure compute client to use correct base URL [GH-8072]
auth/ldap: Fix renewal of tokens without configured policies that are generated by an LDAP login [GH-8072]
auth/okta: Fix renewal of tokens without configured policies that are generated by an Okta login [GH-8072]
core: Fix seal migration error when attempting to migrate from auto unseal to shamir [GH-8172]
core: Fix seal migration config issue when migrating from auto unseal to auto unseal [GH-8172]
plugin: Fix issue where a plugin unwrap request potentially used an expired token [GH-8058]
replication: Fix issue where a forwarded request from a performance/standby node could run into a timeout
secrets/database: Fix issue where a manual static role rotation could potentially panic [GH-8098]
secrets/database: Fix issue where a manual root credential rotation request is not forwarded to the primary node [GH-8125]
secrets/database: Fix issue where a manual static role rotation request is not forwarded to the primary node [GH-8126]
secrets/database/mysql: Fix issue where special characters for a MySQL password were encoded [GH-8040]
ui: Fix deleting namespaces [GH-8132]
ui: Fix Error handler on kv-secret edit and kv-secret view pages [GH-8133]
ui: Fix OIDC callback to check storage [GH-7929].
ui: Change .box-radio height to min-height to prevent overflow issues [GH-8065]

1.3.1 (December 18th, 2019)

IMPROVEMENTS:

agent: Add ability to set exit-after-auth via the CLI [GH-7920]
auth/ldap: Add a request_timeout configuration option to prevent connection requests from hanging [GH-7909]
auth/kubernetes: Add audience to tokenreview API request for Kube deployments where issuer is not Kube. [GH-74]
secrets/ad: Add a request_timeout configuration option to prevent connection requests from hanging [GH-59]
storage/postgresql: Add support for setting connection_url from enviornment variable VAULT_PG_CONNECTION_URL [GH-7937]
telemetry: Add enable_hostname_label option to telemetry stanza [GH-7902]
telemetry: Add accept header check for prometheus mime type [GH-7958]

BUG FIXES:

agent: Fix issue where Agent exits before all templates are rendered when using and exit_after_auth [GH-7899]
auth/aws: Fixes region-related issues when using a custom sts_endpoint by adding a sts_region parameter [GH-7922]
auth/token: Fix panic when getting batch tokens on a performance standby from a role that does not exist [GH-8027]
core: Improve warning message for lease TTLs [GH-7901]
identity: Fix identity token panic during invalidation [GH-8043]
plugin: Fix a panic that could occur if a mount/auth entry was unable to mount the plugin backend and a request that required the system view to be retrieved was made [GH-7991]
replication: Add generate-public-key endpoint to list of allowed endpoints for existing DR secondaries
secrets/gcp: Fix panic if bindings aren't provided in roleset create/update. [GH-56]
secrets/pki: Prevent generating certificate on performance standby when storing [GH-7904]
secrets/transit: Prevent restoring keys to new names that are sub paths [GH-7998]
storage/s3: Fix a bug in configurable S3 paths that was preventing use of S3 as a source during operator migrate operations [GH-7966]
ui: Ensure secrets with a period in their key can be viewed and copied [GH-7926]
ui: Fix status menu after demotion [GH-7997]
ui: Fix select dropdowns in Safari when running Mojave [GH-8023]

1.3 (November 14th, 2019)

CHANGES:

Secondary cluster activation: There has been a change to the way that activating performance and DR secondary clusters works when using public keys for encryption of the parameters rather than a wrapping token. This flow was experimental and never documented. It is now officially supported and documented but is not backwards compatible with older Vault releases.
Cluster cipher suites: On its cluster port, Vault will no longer advertise the full TLS 1.2 cipher suite list by default. Although this port is only used for Vault-to-Vault communication and would always pick a strong cipher, it could cause false flags on port scanners and other security utilities that assumed insecure ciphers were being used. The previous behavior can be achieved by setting the value of the (undocumented) cluster_cipher_suites config flag to tls12.
API/Agent Renewal behavior: The API now allows multiple options for how it deals with renewals. The legacy behavior in the Agent/API is for the renewer (now called the lifetime watcher) to exit on a renew error, leading to a reauthentication. The new default behavior is for the lifetime watcher to ignore 5XX errors and simply retry as scheduled, using the existing lease duration. It is also possible, within custom code, to disable renewals entirely, which allows the lifetime watcher to simply return when it believes it is time for your code to renew or reauthenticate.

FEATURES:

Vault Debug: A new top-level subcommand, debug, is added that allows operators to retrieve debugging information related to a particular Vault node. Operators can use this simple workflow to capture triaging information, which can then be consumed programmatically or by support and engineering teams. It has the abilitity to probe for config, host, metrics, pprof, server status, and replication status.
Recovery Mode: Vault server can be brought up in recovery mode to resolve outages caused due to data store being in bad state. This is a privileged mode that allows sys/raw API calls to perform surgical corrections to the data store. Bad storage state can be caused by bugs. However, this is usually observed when known (and fixed) bugs are hit by older versions of Vault.
Entropy Augmentation (Enterprise): Vault now supports sourcing entropy from external source for critical security parameters. Currently an HSM that supports PKCS#11 is the only supported source.
Active Directory Secret Check-In/Check-Out: In the Active Directory secrets engine, users or applications can check out a service account for use, and its password will be rotated when it's checked back in.
Vault Agent Template: Vault Agent now supports rendering templates containing Vault secrets to disk, similar to Consul Template [GH-7652]
Transit Key Type Support: Signing and verification is now supported with the P-384 (secp384r1) and P-521 (secp521r1) ECDSA curves [GH-7551] and encryption and decryption is now supported via AES128-GCM96 [GH-7555]
SSRF Protection for Vault Agent: Vault Agent has a configuration option to require a specific header before allowing requests [GH-7627]
AWS Auth Method Root Rotation: The credential used by the AWS auth method can now be rotated, to ensure that only Vault knows the credentials it is using [GH-7131]
New UI Features: The UI now supports managing users and groups for the Userpass, Cert, Okta, and Radius auth methods.
Shamir with Stored Master Key: The on disk format for Shamir seals has changed, allowing for a secondary cluster using Shamir downstream from a primary cluster using Auto Unseal. [GH-7694]
Stackdriver Metrics Sink: Vault can now send metrics to Stackdriver. See the configuration documentation for details. [GH-6957]
Filtered Paths Replication (Enterprise): Based on the predecessor Filtered Mount Replication, Filtered Paths Replication allows now filtering of namespaces in addition to mounts.
Token Renewal via Accessor: Tokens can now be renewed via the accessor value through the new auth/token/renew-accessor endpoint if the caller's token has permission to access that endpoint.
Improved Integrated Storage (Beta): Improved raft write performance, added support for non-voter nodes, along with UI support for: using raft storage, joining a raft cluster, and downloading and restoring a snapshot.

IMPROVEMENTS:

agent: Add ability to set the TLS SNI name used by Agent [GH-7519]
agent & api: Change default renewer behavior to ignore 5XX errors [GH-7733]
auth/jwt: The redirect callback host may now be specified for CLI logins [GH-71]
auth/jwt: Bound claims may now contain boolean values [GH-73]
auth/jwt: CLI logins can now open the browser when running in WSL [GH-77]
core: Exit ScanView if context has been cancelled [GH-7419]
core: re-encrypt barrier and recovery keys if the unseal key is updated [GH-7493]
core: Don't advertise the full set of TLS 1.2 cipher suites on the cluster port, even though only strong ciphers were used [GH-7487]
core (enterprise): Add background seal re-wrap
core/metrics: Add config parameter to allow unauthenticated sys/metrics access. [GH-7550]
metrics: Upgrade DataDog library to improve performance [GH-7794]
replication (enterprise): Write-Ahead-Log entries will not duplicate the data belonging to the encompassing physical entries of the transaction, thereby improving the performance and storage capacity.
replication (enterprise): Added more replication metrics
replication (enterprise): Reindex process now compares subpages for a more accurate indexing process.
replication (enterprise): Reindex API now accepts a new skip_flush parameter indicating all the changes should not be flushed while the tree is locked.
secrets/aws: The root config can now be read [GH-7245]
secrets/aws: Role paths may now contain the '@' character [GH-7553]
secrets/database/cassandra: Add ability to skip verfication of connection [GH-7614]
secrets/gcp: Fix panic during rollback if the roleset has been deleted [GH-52]
storage/azure: Add config parameter to Azure storage backend to allow specifying the ARM endpoint [GH-7567]
storage/cassandra: Improve storage efficiency by eliminating unnecessary copies of value data [GH-7199]
storage/raft: Improve raft write performance by utilizing FSM Batching [GH-7527]
storage/raft: Add support for non-voter nodes [GH-7634]
sys: Add a new sys/host-info endpoint for querying information about the host [GH-7330]
sys: Add a new set of endpoints under sys/pprof/ that allows profiling information to be extracted [GH-7473]
sys: Add endpoint that counts the total number of active identity entities [GH-7541]
sys: sys/seal-status now has a storage_type field denoting what type of storage the cluster is configured to use
sys: Add a new sys/internal/counters/tokens endpoint, that counts the total number of active service token accessors in the shared token storage. [GH-7541]
sys/config: Add a new endpoint under sys/config/state/sanitized that returns the configuration state of the server. It excludes config values from storage, ha_storage, and seal stanzas and some values from telemetry due to potential sensitive entries in those fields.
ui: when using raft storage, you can now join a raft cluster, download a snapshot, and restore a snapshot from the UI [GH-7410]
ui: clarify when secret version is deleted in the secret version history dropdown [GH-7714]

BUG FIXES:

agent: Fix a data race on the token value for inmemsink [GH-7707]
api: Fix Go API using lease revocation via URL instead of body [GH-7777]
api: Allow setting a function to control retry behavior [GH-7331]
auth/gcp: Fix a bug where region information in instance groups names could cause an authorization attempt to fail [GH-74]
cli: Fix a bug where a token of an unknown format (e.g. in ~/.vault-token) could cause confusing error messages during vault login [GH-7508]
cli: Fix a bug where the namespace list command with JSON formatting always returned an empty object [GH-7705]
cli: Command timeouts are now always specified solely by the VAULT_CLIENT_TIMEOUT value. [GH-7469]
core: Don't allow registering a non-root zero TTL token lease. This is purely defense in depth as the lease would be revoked immediately anyways, but there's no real reason to allow registration. [GH-7524]
core: Correctly revoke the token that's present in the response auth from a auth/token/ request if there's partial failure during the process. [GH-7835]
identity (enterprise): Fixed identity case sensitive loading in secondary cluster [GH-7327]
identity: Ensure only replication primary stores the identity case sensitivity state [GH-7820]
raft: Fixed VAULT_CLUSTER_ADDR env being ignored at startup [GH-7619]
secrets/pki: Don't allow duplicate SAN names in issued certs [GH-7605]
sys/health: Pay attention to the values provided for standbyok and perfstandbyok rather than simply using their presence as a key to flip on that behavior [GH-7323]
ui: using the wrapped_token query param will work with redirect_to and will automatically log in as intended [GH-7398]
ui: fix an error when initializing from the UI using PGP keys [GH-7542]
ui: show all active kv v2 secret versions even when delete_version_after is configured [GH-7685]
ui: Ensure that items in the top navigation link to pages that users have access to [GH-7590]

1.2.4 (November 7th, 2019)

SECURITY:

In a non-root namespace, revocation of a token scoped to a non-root namespace did not trigger the expected revocation of dynamic secret leases associated with that token. As a result, dynamic secret leases in non-root namespaces may outlive the token that created them. This vulnerability, CVE-2019-18616, affects Vault Enterprise 0.11.0 and newer.
Disaster Recovery secondary clusters did not delete already-replicated data after a mount filter has been created on an upstream Performance secondary cluster. As a result, encrypted secrets may remain replicated on a Disaster Recovery secondary cluster after application of a mount filter excluding those secrets from replication. This vulnerability, CVE-2019-18617, affects Vault Enterprise 0.8 and newer.
Update version of Go to 1.12.12 to fix Go bug golang.org/issue/34960 which corresponds to CVE-2019-17596.

CHANGES:

auth/aws: If a custom sts_endpoint is configured, Vault Agent and the CLI should provide the corresponding region via the region parameter (which already existed as a CLI parameter, and has now been added to Agent). The automatic region detection added to the CLI and Agent in 1.2 has been removed.

IMPROVEMENTS:

cli: Ignore existing token during CLI login [GH-7508]
core: Log proxy settings from environment on startup [GH-7528]
core: Cache whether we've been initialized to reduce load on storage [GH-7549]

BUG FIXES:

agent: Fix handling of gzipped responses [GH-7470]
cli: Fix panic when pgp keys list is empty [GH-7546]
cli: Command timeouts are now always specified solely by the VAULT_CLIENT_TIMEOUT value. [GH-7469]
core: add hook for initializing seals for migration [GH-7666]
core (enterprise): Migrating from one auto unseal method to another never worked on enterprise, now it does.
identity: Add required field response_types_supported to identity token .well-known/openid-configuration response [GH-7533]
identity: Fixed nil pointer panic when merging entities [GH-7712]
replication (Enterprise): Fix issue causing performance standbys nodes disconnecting when under high loads.
secrets/azure: Fix panic that could occur if client retries timeout [GH-7793]
secrets/database: Fix bug in combined DB secrets engine that can result in writes to static-roles endpoints timing out [GH-7518]
secrets/pki: Improve tidy to continue when value is nil [GH-7589]
ui (Enterprise): Allow kv v2 secrets that are gated by Control Groups to be viewed in the UI [GH-7504]

1.2.3 (September 12, 2019)

FEATURES:

Oracle Cloud (OCI) Integration: Vault now support using Oracle Cloud for storage, auto unseal, and authentication.

IMPROVEMENTS:

auth/jwt: Groups claim matching now treats a string response as a single element list [GH-63]
auth/kubernetes: enable better support for projected tokens API by allowing user to specify issuer [GH-65]
auth/pcf: The PCF auth plugin was renamed to the CF auth plugin, maintaining full backwards compatibility [GH-7346]
replication: Premium packages now come with unlimited performance standby nodes

BUG FIXES:

agent: Allow batch tokens and other non-renewable tokens to be used for agent operations [GH-7441]
auth/jwt: Fix an error where newer (v1.2) token_* configuration parameters were not being applied to tokens generated using the OIDC login flow [GH-67]
raft: Fix an incorrect JSON tag on leader_ca_cert in the join request [GH-7393]
seal/transit: Allow using Vault Agent for transit seal operations [GH-7441]
storage/couchdb: Fix a file descriptor leak [GH-7345]
ui: Fix a bug where the status menu would disappear when trying to revoke a token [GH-7337]
ui: Fix a regression that prevented input of custom items in search-select [GH-7338]
ui: Fix an issue with the namespace picker being unable to render nested namespaces named with numbers and sorting of namespaces in the picker [GH-7333]

1.2.2 (August 15, 2019)

CHANGES:

auth/pcf: The signature format has been updated to use the standard Base64 encoding instead of the URL-safe variant. Signatures created using the previous format will continue to be accepted [PCF-27]
core: The http response code returned when an identity token key is not found has been changed from 400 to 404

IMPROVEMENTS:

identity: Remove 512 entity limit for groups [GH-7317]

BUG FIXES:

auth/approle: Fix an error where an empty token_type string was not being correctly handled as TokenTypeDefault [GH-7273]
auth/radius: Fix panic when logging in [GH-7286]
ui: the string-list widget will now honor multiline input [GH-7254]
ui: various visual bugs in the KV interface were addressed [GH-7307]
ui: fixed incorrect URL to access help in LDAP auth [GH-7299]

1.2.1 (August 6th, 2019)

BUG FIXES:

agent: Fix a panic on creds pulling in some error conditions in aws and alicloud auth methods [GH-7238]
auth/approle: Fix error reading role-id on a role created pre-1.2 [GH-7231]
auth/token: Fix sudo check in non-root namespaces on create [GH-7224]
core: Fix health checks with perfstandbyok=true returning the wrong status code [GH-7240]
ui: The web CLI will now parse input as a shell string, with special characters escaped [GH-7206]
ui: The UI will now redirect to a page after authentication [GH-7088]
ui (Enterprise): The list of namespaces is now cleared when logging out [GH-7186]

1.2.0 (July 30th, 2019)

CHANGES:

Token store roles use new, common token fields for the values that overlap with other auth backends. period, explicit_max_ttl, and bound_cidrs will continue to work, with priority being given to the token_ prefixed versions of those parameters. They will also be returned when doing a read on the role if they were used to provide values initially; however, in Vault 1.4 if period or explicit_max_ttl is zero they will no longer be returned. (explicit_max_ttl was already not returned if empty.)
Due to underlying changes in Go version 1.12 and Go > 1.11.5, Vault is now stricter about what characters it will accept in path names. Whereas before it would filter out unprintable characters (and this could be turned off), control characters and other invalid characters are now rejected within Go's HTTP library before the request is passed to Vault, and this cannot be disabled. To continue using these (e.g. for already-written paths), they must be properly percent-encoded (e.g. \r becomes %0D, \x00 becomes %00, and so on).
The user-configured regions on the AWSKMS seal stanza will now be preferred over regions set in the enclosing environment. This is a breaking change.
All values in audit logs now are omitted if they are empty. This helps reduce the size of audit log entries by not reproducing keys in each entry that commonly don't contain any value, which can help in cases where audit log entries are above the maximum UDP packet size and others.
Both PeriodicFunc and WALRollback functions will be called if both are provided. Previously WALRollback would only be called if PeriodicFunc was not set. See [GH-6717] for details.
Vault now uses Go's official dependency management system, Go Modules, to manage dependencies. As a result to both reduce transitive dependencies for API library users and plugin authors, and to work around various conflicts, we have moved various helpers around, mostly under an sdk/ submodule. A couple of functions have also moved from plugin helper code to the api/ submodule. If you are a plugin author, take a look at some of our official plugins and the paths they are importing for guidance.
AppRole uses new, common token fields for values that overlap with other auth backends. period and policies will continue to work, with priority being given to the token_ prefixed versions of those parameters. They will also be returned when doing a read on the role if they were used to provide values initially.
In AppRole, "default" is no longer automatically added to the policies parameter. This was a no-op since it would always be added anyways by Vault's core; however, this can now be explicitly disabled with the new token_no_default_policy field.
In AppRole, bound_cidr_list is no longer returned when reading a role
rollback: Rollback will no longer display log messages when it runs; it will only display messages on error.
Database plugins will now default to 4 max_open_connections rather than 2.

FEATURES:

Integrated Storage: Vault 1.2 includes a tech preview of a new way to manage storage directly within a Vault cluster. This new integrated storage solution is based on the Raft protocol which is also used to back HashiCorp Consul and HashiCorp Nomad.
Combined DB credential rotation: Alternative mode for the Combined DB Secret Engine to automatically rotate existing database account credentials and set Vault as the source of truth for credentials.
Identity Tokens: Vault's Identity system can now generate OIDC-compliant ID tokens. These customizable tokens allow encapsulating a signed, verifiable snapshot of identity information and metadata. They can be use by other applications—even those without Vault authorization—as a way of establishing identity based on a Vault entity.
Pivotal Cloud Foundry plugin: New auth method using Pivotal Cloud Foundry certificates for Vault authentication.
ElasticSearch database plugin: New ElasticSearch database plugin issues unique, short-lived ElasticSearch credentials.
New UI Features: An HTTP Request Volume Page and new UI for editing LDAP Users and Groups have been added.
HA support for Postgres: PostgreSQL versions >= 9.5 may now but used as and HA storage backend.
KMIP secrets engine (Enterprise): Allows Vault to operate as a KMIP Server, seamlessly brokering cryptographic operations for traditional infrastructure.
Common Token Fields: Auth methods now use common fields for controlling token behavior, making it easier to understand configuration across methods.
Vault API explorer: The Vault UI now includes an embedded API explorer where you can browse the endpoints avaliable to you and make requests. To try it out, open the Web CLI and type api.

IMPROVEMENTS:

agent: Allow EC2 nonce to be passed in [GH-6953]
agent: Add optional namespace parameter, which sets the default namespace for the auto-auth functionality [GH-6988]
agent: Add cert auto-auth method [GH-6652]
api: Add support for passing data to delete operations via DeleteWithData [GH-7139]
audit/file: Dramatically speed up file operations by changing locking/marshaling order [GH-7024]
auth/jwt: A JWKS endpoint may now be configured for signature verification [GH-43]
auth/jwt: A new verbose_oidc_logging role parameter has been added to help troubleshoot OIDC configuration [GH-57]
auth/jwt: bound_claims will now match received claims that are lists if any element of the list is one of the expected values [GH-50]
auth/jwt: Leeways for nbf and exp are now configurable, as is clock skew leeway [GH-53]
auth/kubernetes: Allow service names/namespaces to be configured as globs [GH-58]
auth/token: Allow the support of the identity system for the token backend via token roles [GH-6267]
auth/token: Add a large set of token configuration options to token store roles [GH-6662]
cli: path-help now allows -format=json to be specified, which will output OpenAPI [GH-7006]
cli: Add support for passing parameters to vault delete operations [GH-7139]
cli: Add a log-format CLI flag that can specify either "standard" or "json" for the log format for the vault servercommand. [GH-6840]
cli: Add -dev-no-store-token to allow dev servers to not store the generated token at the tokenhelper location [GH-7104]
identity: Allow a group alias' canonical ID to be modified
namespaces: Namespaces can now be created and deleted from performance replication secondaries
plugins: Change the default for max_open_connections for DB plugins to 4 [GH-7093]
replication: Client TLS authentication is now supported when enabling or updating a replication secondary
secrets/database: Cassandra operations will now cancel on client timeout [GH-6954]
secrets/kv: Add optional delete_version_after parameter, which takes a duration and can be set on the mount and/or the metadata for a specific key [GH-7005]
storage/postgres: LIST now performs better on large datasets [GH-6546]
storage/s3: A new path parameter allows selecting the path within a bucket for Vault data [GH-7157]
ui: KV v1 and v2 will now gracefully degrade allowing a write without read workflow in the UI [GH-6570]
ui: Many visual improvements with the addition of Toolbars [GH-6626], the restyling of the Confirm Action component [GH-6741], and using a new set of glyphs for our Icon component [GH-6736]
ui: Lazy loading parts of the application so that the total initial payload is smaller [GH-6718]
ui: Tabbing to auto-complete in filters will first complete a common prefix if there is one [GH-6759]
ui: Removing jQuery from the application makes the initial JS payload smaller [GH-6768]

BUG FIXES:

audit: Log requests and responses due to invalid wrapping token provided [GH-6541]
audit: Fix bug preventing request counter queries from working with auditing enabled [GH-6767
auth/aws: AWS Roles are now upgraded and saved to the latest version just after the AWS credential plugin is mounted. [GH-7025]
auth/aws: Fix a case where a panic could stem from a malformed assumed-role ARN when parsing this value [GH-6917]
auth/aws: Fix an error complaining about a read-only view that could occur during updating of a role when on a performance replication secondary [GH-6926]
auth/jwt: Fix a regression introduced in 1.1.1 that disabled checking of client_id for OIDC logins [GH-54]
auth/jwt: Fix a panic during OIDC CLI logins that could occur if the Vault server response is empty [GH-55]
auth/jwt: Fix issue where OIDC logins might intermittently fail when using performance standbys [GH-61]
identity: Fix a case where modifying aliases of an entity could end up moving the entity into the wrong namespace
namespaces: Fix a behavior (currently only known to be benign) where we wouldn't delete policies through the official functions before wiping the namespaces on deletion
secrets/database: Escape username/password before using in connection URL [GH-7089]
secrets/pki: Forward revocation requests to active node when on a performance standby [GH-7173]
ui: Fix timestamp on some transit keys [GH-6827]
ui: Show Entities and Groups in Side Navigation [GH-7138]
ui: Ensure dropdown updates selected item on HTTP Request Metrics page

1.1.4/1.1.5 (July 25th/30th, 2019)

NOTE:

Although 1.1.4 was tagged, we realized very soon after the tag was publicly pushed that an intended fix was accidentally left out. As a result, 1.1.4 was not officially announced and 1.1.5 should be used as the release after 1.1.3.

IMPROVEMENTS:

identity: Allow a group alias' canonical ID to be modified
namespaces: Improve namespace deletion performance [GH-6939]
namespaces: Namespaces can now be created and deleted from performance replication secondaries

BUG FIXES:

api: Add backwards compat support for API env vars [GH-7135]
auth/aws: Fix a case where a panic could stem from a malformed assumed-role ARN when parsing this value [GH-6917]
auth/ldap: Add use_pre111_group_cn_behavior flag to allow recovering from a regression caused by a bug fix starting in 1.1.1 [GH-7208]
auth/aws: Use a role cache to avoid separate locking paths [GH-6926]
core: Fix a deadlock if a panic happens during request handling [GH-6920]
core: Fix an issue that may cause key upgrades to not be cleaned up properly [GH-6949]
core: Don't shutdown if key upgrades fail due to canceled context [GH-7070]
core: Fix panic caused by handling requests while vault is inactive
identity: Fix reading entity and groups that have spaces in their names [GH-7055]
identity: Ensure entity alias operations properly verify namespace [GH-6886]
mfa: Fix a nil pointer panic that could occur if invalid Duo credentials were supplied
replication: Forward step-down on perf standbys to match HA behavior
replication: Fix various read only storage errors on performance standbys
replication: Stop forwarding before stopping replication to eliminate some possible bad states
secrets/database: Allow cassandra queries to be cancled [GH-6954]
storage/consul: Fix a regression causing vault to not connect to consul over unix sockets [GH-6859]
ui: Fix saving of TTL and string array fields generated by Open API [GH-7094]

1.1.3 (June 5th, 2019)

IMPROVEMENTS:

agent: Now supports proxying request query parameters [GH-6772]
core: Mount table output now includes a UUID indicating the storage path [GH-6633]
core: HTTP server timeout values are now configurable [GH-6666]
replication: Improve performance of the reindex operation on secondary clusters when mount filters are in use
replication: Replication status API now returns the state and progress of a reindex

BUG FIXES:

api: Return the Entity ID in the secret output [GH-6819]
auth/jwt: Consider bound claims when considering if there is at least one bound constraint [GH-49]
auth/okta: Fix handling of group names containing slashes [GH-6665]
cli: Add deprecated stored-shares flag back to the init command [GH-6677]
cli: Fix a panic when the KV command would return no data [GH-6675]
cli: Fix issue causing CLI list operations to not return proper format when there is an empty response [GH-6776]
core: Correctly honor non-HMAC request keys when auditing requests [GH-6653]
core: Fix the x-vault-unauthenticated value in OpenAPI for a number of endpoints [GH-6654]
core: Fix issue where some OpenAPI parameters were incorrectly listed as being sent as a header [GH-6679]
core: Fix issue that would allow duplicate mount names to be used [GH-6771]
namespaces: Fix behavior when using root instead of root/ as the namespace header value
pki: fix a panic when a client submits a null value [GH-5679]
replication: Properly update mount entry cache on a secondary to apply all new values after a tune
replication: Properly close connection on bootstrap error
replication: Fix an issue causing startup problems if a namespace policy wasn't replicated properly
replication: Fix longer than necessary WAL replay during an initial reindex
replication: Fix error during mount filter invalidation on DR secondary clusters
secrets/ad: Make time buffer configurable [AD-35]
secrets/gcp: Check for nil config when getting credentials [GH-35]
secrets/gcp: Fix error checking in some cases where the returned value could be 403 instead of 404 [GH-37]
secrets/gcpkms: Disable key rotation when deleting a key [GH-10]
storage/consul: recognize https:// address even if schema not specified [GH-6602]
storage/dynamodb: Fix an issue where a deleted lock key in DynamoDB (HA) could cause constant switching of the active node [GH-6637]
storage/dynamodb: Eliminate a high-CPU condition that could occur if an error was received from the DynamoDB API [GH-6640]
storage/gcs: Correctly use configured chunk size values [GH-6655]
storage/mssql: Use the correct database when pre-created schemas exist [GH-6356]
ui: Fix issue with select arrows on drop down menus [GH-6627]
ui: Fix an issue where sensitive input values weren't being saved to the server [GH-6586]
ui: Fix web cli parsing when using quoted values [GH-6755]
ui: Fix a namespace workflow mapping identities from external namespaces by allowing arbitrary input in search-select component [GH-6728]

1.1.2 (April 18th, 2019)

This is a bug fix release containing the two items below. It is otherwise unchanged from 1.1.1.

BUG FIXES:

auth/okta: Fix a potential dropped error [GH-6592]
secrets/kv: Fix a regression on upgrade where a KVv2 mount could fail to be mounted on unseal if it had previously been mounted but not written to [GH-31]

1.1.1 (April 11th, 2019)

SECURITY:

Given: (a) performance replication is enabled; (b) performance standbys are in use on the performance replication secondary cluster; and (c) mount filters are in use, if a mount that was previously available to a secondary is updated to be filtered out, although the data would be removed from the secondary cluster, the in-memory cache of the data would not be purged on the performance standby nodes. As a result, the previously-available data could still be read from memory if it was ever read from disk, and if this included mount configuration data this could result in token or lease issuance. The issue is fixed in this release; in prior releases either an active node changeover (such as a step-down) or a restart of the standby nodes is sufficient to cause the performance standby nodes to clear their cache. A CVE is in the process of being issued; the number is CVE-2019-11075.
Roles in the JWT Auth backend using the OIDC login flow (i.e. role_type of “oidc”) were not enforcing bound_cidrs restrictions, if any were configured for the role. This issue did not affect roles of type “jwt”.

CHANGES:

auth/jwt: Disallow logins of role_type "oidc" via the /login path [GH-38]
core/acl: New ordering defines which policy wins when there are multiple inexact matches and at least one path contains +. +* is now illegal in policy paths. The previous behavior simply selected any matching segment-wildcard path that matched. [GH-6532]
replication: Due to technical limitations, mounting and unmounting was not previously possible from a performance secondary. These have been resolved, and these operations may now be run from a performance secondary.

IMPROVEMENTS:

agent: Allow AppRole auto-auth without a secret-id [GH-6324]
auth/gcp: Cache clients to improve performance and reduce open file usage
auth/jwt: Bounds claims validiation will now allow matching the received claims against a list of expected values [GH-41]
secret/gcp: Cache clients to improve performance and reduce open file usage
replication: Mounting/unmounting/remounting/mount-tuning is now supported from a performance secondary cluster
ui: Suport for authentication via the RADIUS auth method [GH-6488]
ui: Navigating away from secret list view will clear any page-specific filter that was applied [GH-6511]
ui: Improved the display when OIDC auth errors [GH-6553]

BUG FIXES:

agent: Allow auto-auth to be used with caching without having to define any sinks [GH-6468]
agent: Disallow some nonsensical config file combinations [GH-6471]
auth/ldap: Fix CN check not working if CN was not all in uppercase [GH-6518]
auth/jwt: The CLI helper for OIDC logins will now open the browser to the correct URL when running on Windows [GH-37]
auth/jwt: Fix OIDC login issue where configured TLS certs weren't being used [GH-40]
auth/jwt: Fix an issue where the oidc_scopes parameter was not being included in the response to a role read request [GH-35]
core: Fix seal migration case when migrating to Shamir and a seal block wasn't explicitly specified [GH-6455]
core: Fix unwrapping when using namespaced wrapping tokens [GH-6536]
core: Fix incorrect representation of required properties in OpenAPI output [GH-6490]
core: Fix deadlock that could happen when using the UI [GH-6560]
identity: Fix updating groups removing existing members [GH-6527]
identity: Properly invalidate group alias in performance secondary [GH-6564]
identity: Use namespace context when loading entities and groups to ensure merging of duplicate entries works properly [GH-6563]
replication: Fix performance standby election failure [GH-6561]
replication: Fix mount filter invalidation on performance standby nodes
replication: Fix license reloading on performance standby nodes
replication: Fix handling of control groups on performance standby nodes
replication: Fix some forwarding scenarios with request bodies using performance standby nodes [GH-6538]
secret/gcp: Fix roleset binding when using JSON [GH-27]
secret/pki: Use uri_sans param in when not using CSR parameters [GH-6505]
storage/dynamodb: Fix a race condition possible in HA configurations that could leave the cluster without a leader [GH-6512]
ui: Fix an issue where in production builds OpenAPI model generation was failing, causing any form using it to render labels with missing fields [GH-6474]
ui: Fix issue nav-hiding when moving between namespaces [GH-6473]
ui: Secrets will always show in the nav regardless of access to cubbyhole [GH-6477]
ui: fix SSH OTP generation [GH-6540]
ui: add polyfill to load UI in IE11 [GH-6567]
ui: Fix issue where some elements would fail to work properly if using ACLs with segment-wildcard paths (/+/ segments) [GH-6525]

1.1.0 (March 18th, 2019)

CHANGES:

auth/jwt: The groups_claim_delimiter_pattern field has been removed. If the groups claim is not at the top level, it can now be specified as a JSONPointer.
auth/jwt: Roles now have a "role type" parameter with a default type of "oidc". To configure new JWT roles, a role type of "jwt" must be explicitly specified.
cli: CLI commands deprecated in 0.9.2 are now removed. Please see the CLI help/warning output in previous versions of Vault for updated commands.
core: Vault no longer automatically mounts a K/V backend at the "secret/" path when initializing Vault
core: Vault's cluster port will now be open at all times on HA standby nodes
plugins: Vault no longer supports running netRPC plugins. These were deprecated in favor of gRPC based plugins and any plugin built since 0.9.4 defaults to gRPC. Older plugins may need to be recompiled against the latest Vault dependencies.

FEATURES:

Vault Agent Caching: Vault Agent can now be configured to act as a caching proxy to Vault. Clients can send requests to Vault Agent and the request will be proxied to the Vault server and cached locally in Agent. Currently Agent will cache generated leases and tokens and keep them renewed. The proxy can also use the Auto Auth feature so clients do not need to authenticate to Vault, but rather can make requests to Agent and have Agent fully manage token lifecycle.
OIDC Redirect Flow Support: The JWT auth backend now supports OIDC roles. These allow authentication via an OIDC-compliant provider via the user's browser. The login may be initiated from the Vault UI or through the vault login command.
ACL Path Wildcard: ACL paths can now use the + character to enable wild card matching for a single directory in the path definition.
Transit Auto Unseal: Vault can now be configured to use the Transit Secret Engine in another Vault cluster as an auto unseal provider.

IMPROVEMENTS:

auth/jwt: A default role can be set. It will be used during JWT/OIDC logins if a role is not specified.
auth/jwt: Arbitrary claims data can now be copied into token & alias metadata.
auth/jwt: An arbitrary set of bound claims can now be configured for a role.
auth/jwt: The name "oidc" has been added as an alias for the jwt backend. Either name may be specified in the auth enable command.
command/server: A warning will be printed when 'tls_cipher_suites' includes a blacklisted cipher suite or all cipher suites are blacklisted by the HTTP/2 specification [GH-6300]
core/metrics: Prometheus pull support using a new sys/metrics endpoint. [GH-5308]
core: On non-windows platforms a SIGUSR2 will make the server log a dump of all running goroutines' stack traces for debugging purposes [GH-6240]
replication: The initial replication indexing process on newly initialized or upgraded clusters now runs asynchronously
sentinel: Add token namespace id and path, available in rules as token.namespace.id and token.namespace.path
ui: The UI is now leveraging OpenAPI definitions to pull in fields for various forms. This means, it will not be necessary to add fields on the go and JS sides in the future. [GH-6209]

BUG FIXES:

auth/jwt: Apply bound_claims validation across all login paths
auth/jwt: Update bound_audiences validation during non-OIDC logins to accept any matched audience, as documented and handled in OIDC logins [GH-30]
auth/token: Fix issue where empty values for token role update call were ignored [GH-6314]
core: The operator migrate command will no longer hang on empty key names [GH-6371]
identity: Fix a panic at login when external group has a nil alias [GH-6230]
namespaces: Clear out identity store items upon namespace deletion
replication/perfstandby: Fixed a bug causing performance standbys to wait longer than necessary after forwarding a write to the active node
replication/mountfilter: Fix a deadlock that could occur when mount filters were updated [GH-6426]
secret/kv: Fix issue where a v1→v2 upgrade could run on a performance standby when using a local mount
secret/ssh: Fix for a bug where attempting to delete the last ssh role in the zeroaddress configuration could fail [GH-6390]
secret/totp: Uppercase provided keys so they don't fail base32 validation [GH-6400]
secret/transit: Multiple HMAC, Sign or Verify operations can now be performed with one API call using the new batch_input parameter [GH-5875]
sys: sys/internal/ui/mounts will no longer return secret or auth mounts that have been filtered. Similarly, sys/internal/ui/mount/:path will return a error response if a filtered mount path is requested. [GH-6412]
ui: Fix for a bug where you couldn't access the data tab after clicking on wrap details on the unwrap page [GH-6404]
ui: Fix an issue where the policies tab was erroneously hidden [GH-6301]
ui: Fix encoding issues with kv interfaces [GH-6294]

1.0.3.1 (March 14th, 2019) (Enterprise Only)

SECURITY:

A regression was fixed in replication mount filter code introduced in Vault 1.0 that caused the underlying filtered data to be replicated to secondaries. This data was not accessible to users via Vault's API but via a combination of privileged configuration file changes/Vault commands it could be read. Upgrading to this version or 1.1 will fix this issue and cause the replicated data to be deleted from filtered secondaries. More information was sent to customer contacts on file.

1.0.3 (February 12th, 2019)

CHANGES:

New AWS authentication plugin mounts will default to using the generated role ID as the Identity alias name. This applies to both EC2 and IAM auth. Existing mounts that explicitly set this value will not be affected but mounts that specified no preference will switch over on upgrade.
The default policy now allows a token to look up its associated identity entity either by name or by id [GH-6105]
The Vault UI's navigation and onboarding wizard now only displays items that are permitted in a users' policy [GH-5980, GH-6094]
An issue was fixed that caused recovery keys to not work on secondary clusters when using a different unseal mechanism/key than the primary. This would be hit if the cluster was rekeyed or initialized after 1.0. We recommend rekeying the recovery keys on the primary cluster if you meet the above requirements.

FEATURES:

cURL Command Output: CLI commands can now use the -output-curl-string flag to print out an equivalent cURL command.
Response Headers From Plugins: Plugins can now send back headers that will be included in the response to a client. The set of allowed headers can be managed by the operator.

IMPROVEMENTS:

auth/aws: AWS EC2 authentication can optionally create entity aliases by role ID [GH-6133]
auth/jwt: The supported set of signing algorithms is now configurable [JWT plugin GH-16]
core: When starting from an uninitialized state, HA nodes will now attempt to auto-unseal using a configured auto-unseal mechanism after the active node initializes Vault [GH-6039]
secret/database: Add socket keepalive option for Cassandra [GH-6201]
secret/ssh: Add signed key constraints, allowing enforcement of key types and minimum key sizes [GH-6030]
secret/transit: ECDSA signatures can now be marshaled in JWS-compatible fashion [GH-6077]
storage/etcd: Support SRV service names [GH-6087]
storage/aws: Support specifying a KMS key ID for server-side encryption [GH-5996]

BUG FIXES:

core: Fix a rare case where a standby whose connection is entirely torn down to the active node, then reconnects to the same active node, may not successfully resume operation [GH-6167]
cors: Don't duplicate headers when they're written [GH-6207]
identity: Persist merged entities only on the primary [GH-6075]
replication: Fix a potential race when a token is created and then used with a performance standby very quickly, before an associated entity has been replicated. If the entity is not found in this scenario, the request will forward to the active node.
replication: Fix issue where recovery keys would not work on secondary clusters if using a different unseal mechanism than the primary.
replication: Fix a "failed to register lease" error when using performance standbys
storage/postgresql: The Get method will now return an Entry object with the Key member correctly populated with the full path that was requested instead of just the last path element [GH-6044]

1.0.2 (January 15th, 2019)

SECURITY:

When creating a child token from a parent with bound_cidrs, the list of CIDRs would not be propagated to the child token, allowing the child token to be used from any address.

CHANGES:

secret/aws: Role now returns credential_type instead of credential_types to match role input. If a legacy role that can supply more than one credential type, they will be concatenated with a ,.
physical/dynamodb, autoseal/aws: Instead of Vault performing environment variable handling, and overriding static (config file) values if found, we use the default AWS SDK env handling behavior, which also looks for deprecated values. If you were previously providing both config values and environment values, please ensure the config values are unset if you want to use environment values.
Namespaces (Enterprise): Providing "root" as the header value for X-Vault-Namespace will perform the request on the root namespace. This is equivalent to providing an empty value. Creating a namespace called "root" in the root namespace is disallowed.

FEATURES:

InfluxDB Database Plugin: Use Vault to dynamically create and manage InfluxDB users

IMPROVEMENTS:

auth/aws: AWS EC2 authentication can optionally create entity aliases by image ID [GH-5846]
autoseal/gcpckms: Reduce the required permissions for the GCPCKMS autounseal [GH-5999]
physical/foundationdb: TLS support added. [GH-5800]

BUG FIXES:

api: Fix a couple of places where we were using the LIST HTTP verb (necessary to get the right method into the wrapping lookup function) and not then modifying it to a GET; although this is officially the verb Vault uses for listing and it's fully legal to use custom verbs, since many WAFs and API gateways choke on anything outside of RFC-standardized verbs we fall back to GET [GH-6026]
autoseal/aws: Fix reading session tokens when AWS access key/secret key are also provided [GH-5965]
command/operator/rekey: Fix help output showing -delete-backup when it should show -backup-delete [GH-5981]
core: Fix bound_cidrs not being propagated to child tokens
replication: Correctly forward identity entity creation that originates from performance standby nodes (Enterprise)
secret/aws: Make input credential_type match the output type (string, not array) [GH-5972]
secret/cubbyhole: Properly cleanup cubbyhole after token revocation [GH-6006]
secret/pki: Fix reading certificates on windows with the file storage backend [GH-6013]
ui (enterprise): properly display perf-standby count on the license page [GH-5971]
ui: fix disappearing nested secrets and go to the nearest parent when deleting a secret - [GH-5976]
ui: fix error where deleting an item via the context menu would fail if the item name contained dots [GH-6018]
ui: allow saving of kv secret after an errored save attempt [GH-6022]
ui: fix display of kv-v1 secret containing a key named "keys" [GH-6023]

1.0.1 (December 14th, 2018)

SECURITY:

Update version of Go to 1.11.3 to fix Go bug golang/go#29233 which corresponds to CVE-2018-16875
Database user revocation: If a client has configured custom revocation statements for a role with a value of "", that statement would be executed verbatim, resulting in a lack of actual revocation but success for the operation. Vault will now strip empty statements from any provided; as a result if an empty statement is provided, it will behave as if no statement is provided, falling back to the default revocation statement.

CHANGES:

secret/database: On role read, empty statements will be returned as empty slices instead of potentially being returned as JSON null values. This makes it more in line with other parts of Vault and makes it easier for statically typed languages to interpret the values.

IMPROVEMENTS:

cli: Strip iTerm extra characters from password manager input [GH-5837]
command/server: Setting default kv engine to v1 in -dev mode can now be specified via -dev-kv-v1 [GH-5919]
core: Add operationId field to OpenAPI output [GH-5876]
ui: Added ability to search for Group and Policy IDs when creating Groups and Entities instead of typing them in manually

BUG FIXES:

auth/azure: Cache azure authorizer [15]
auth/gcp: Remove explicit project for service account in GCE authorizer [GH-58]
cli: Show correct stored keys/threshold for autoseals [GH-5910]
cli: Fix backwards compatibility fallback when listing plugins [GH-5913]
core: Fix upgrades when the seal config had been created on early versions of vault [GH-5956]
namespaces: Correctly reload the proper mount when tuning or reloading the mount [GH-5937]
secret/azure: Cache azure authorizer [19]
secret/database: Strip empty statements on user input [GH-5955]
secret/gcpkms: Add path for retrieving the public key [GH-5]
secret/pki: Fix panic that could occur during tidy operation when malformed data was found [GH-5931]
secret/pki: Strip empty line in ca_chain output [GH-5779]
ui: Fixed a bug where the web CLI was not usable via the fullscreen command - [GH-5909]
ui: Fix a bug where you couldn't write a jwt auth method config [GH-5936]

0.11.6 (December 14th, 2018)

This release contains the three security fixes from 1.0.0 and 1.0.1 and the following bug fixes from 1.0.0/1.0.1:

namespaces: Correctly reload the proper mount when tuning or reloading the mount [GH-5937]
replication/perfstandby: Fix audit table upgrade on standbys [GH-5811]
replication/perfstandby: Fix redirect on approle update [GH-5820]
secrets/kv: Fix issue where storage version would get incorrectly downgraded [GH-5809]

It is otherwise identical to 0.11.5.

1.0.0 (December 3rd, 2018)

SECURITY:

When debugging a customer incident we discovered that in the case of malformed data from an autoseal mechanism, Vault's master key could be logged in Vault's server log. For this to happen, the data would need to be modified by the autoseal mechanism after being submitted to it by Vault but prior to encryption, or after decryption, prior to it being returned to Vault. To put it another way, it requires the data that Vault submits for encryption to not match the data returned after decryption. It is not sufficient for the autoseal mechanism to return an error, and it cannot be triggered by an outside attacker changing the on-disk ciphertext as all autoseal mechanisms use authenticated encryption. We do not believe that this is generally a cause for concern; since it involves the autoseal mechanism returning bad data to Vault but with no error, in a working Vault configuration this code path should never be hit, and if hitting this issue Vault will not be unsealing properly anyways so it will be obvious what is happening and an immediate rekey of the master key can be performed after service is restored. We have filed for a CVE (CVE-2018-19786) and a CVSS V3 score of 5.2 has been assigned.

CHANGES:

Tokens are now prefixed by a designation to indicate what type of token they are. Service tokens start with s. and batch tokens start with b.. Existing tokens will still work (they are all of service type and will be considered as such). Prefixing allows us to be more efficient when consuming a token, which keeps the critical path of requests faster.
Paths within auth/token that allow specifying a token or accessor in the URL have been removed. These have been deprecated since March 2016 and undocumented, but were retained for backwards compatibility. They shouldn't be used due to the possibility of those paths being logged, so at this point they are simply being removed.
Vault will no longer accept updates when the storage key has invalid UTF-8 character encoding [GH-5819]
Mount/Auth tuning the options map on backends will now upsert any provided values, and keep any of the existing values in place if not provided. The options map itself cannot be unset once it's set, but the keypairs within the map can be unset if an empty value is provided, with the exception of the version keypair which is handled differently for KVv2 purposes.
Agent no longer automatically reauthenticates when new credentials are detected. It's not strictly necessary and in some cases was causing reauthentication much more often than intended.
HSM Regenerate Key Support Removed: Vault no longer supports destroying and regenerating encryption keys on an HSM; it only supports creating them. Although this has never been a source of a customer incident, it is simply a code path that is too trivial to activate, especially by mistyping regenerate_key instead of generate_key.
Barrier Config Upgrade (Enterprise): When upgrading from Vault 0.8.x, the seal type in the barrier config storage entry will be upgraded from "hsm-auto" to "awskms" or "pkcs11" upon unseal if using AWSKMS or HSM seals. If performing seal migration, the barrier config should first be upgraded prior to starting migration.
Go API client uses pooled HTTP client: The Go API client now uses a connection-pooling HTTP client by default. For CLI operations this makes no difference but it should provide significant performance benefits for those writing custom clients using the Go API library. As before, this can be changed to any custom HTTP client by the caller.
Builtin Secret Engines and Auth Methods are integrated deeper into the plugin system. The plugin catalog can now override builtin plugins with custom versions of the same name. Additionally the plugin system now requires a plugin type field when configuring plugins, this can be "auth", "database", or "secret".

FEATURES:

Auto-Unseal in Open Source: Cloud-based auto-unseal has been migrated from Enterprise to Open Source. We've created a migrator to allow migrating between Shamir seals and auto unseal methods.
Batch Tokens: Batch tokens trade off some features of service tokens for no storage overhead, and in most cases can be used across performance replication clusters.
Replication Speed Improvements: We've worked hard to speed up a lot of operations when using Vault Enterprise Replication.
GCP KMS Secrets Engine: This new secrets engine provides a Transit-like pattern to keys stored within GCP Cloud KMS.
AppRole support in Vault Agent Auto-Auth: You can now use AppRole credentials when having Agent automatically authenticate to Vault
OpenAPI Support: Descriptions of mounted backends can be served directly from Vault
Kubernetes Projected Service Account Tokens: Projected Service Account Tokens are now supported in Kubernetes auth
Response Wrapping in UI: Added ability to wrap secrets and easily copy the wrap token or secret JSON in the UI

IMPROVEMENTS:

agent: Support for configuring the location of the kubernetes service account [GH-5725]
auth/token: New tokens are indexed in storage HMAC-SHA256 instead of SHA1
secret/totp: Allow @ character to be part of key name [GH-5652]
secret/consul: Add support for new policy based tokens added in Consul 1.4 [GH-5586]
ui: Improve the token auto-renew warning, and automatically begin renewal when a user becomes active again [GH-5662]
ui: The unbundled UI page now has some styling [GH-5665]
ui: Improved banner and popup design [GH-5672]
ui: Added token type to auth method mount config [GH-5723]
ui: Display additonal wrap info when unwrapping. [GH-5664]
ui: Empty states have updated styling and link to relevant actions and documentation [GH-5758]
ui: Allow editing of KV V2 data when a token doesn't have capabilities to read secret metadata [GH-5879]

BUG FIXES:

agent: Fix auth when multiple redirects [GH-5814]
cli: Restore the -policy-override flag [GH-5826]
core: Fix rekey progress reset which did not happen under certain circumstances. [GH-5743]
core: Migration from autounseal to shamir will clean up old keys [GH-5671]
identity: Update group memberships when entity is deleted [GH-5786]
replication/perfstandby: Fix audit table upgrade on standbys [GH-5811]
replication/perfstandby: Fix redirect on approle update [GH-5820]
secrets/azure: Fix valid roles being rejected for duplicate ids despite having distinct scopes [GH-16]
storage/gcs: Send md5 of values to GCS to avoid potential corruption [GH-5804]
secrets/kv: Fix issue where storage version would get incorrectly downgraded [GH-5809]
secrets/kv: Disallow empty paths on a kv put while accepting empty paths for all other operations for backwards compatibility [GH-19]
ui: Allow for secret creation in kv v2 when cas_required=true [GH-5823]
ui: Fix dr secondary operation token generation via the ui [GH-5818]
ui: Fix the PKI context menu so that items load [GH-5824]
ui: Update DR Secondary Token generation command [GH-5857]
ui: Fix pagination bug where controls would be rendered once for each item when viewing policies [GH-5866]
ui: Fix bug where sys/leases/revoke required 'sudo' capability to show the revoke button in the UI [GH-5647]
ui: Fix issue where certain pages wouldn't render in a namespace [GH-5692]

0.11.5 (November 13th, 2018)

BUG FIXES:

agent: Fix issue when specifying two file sinks [GH-5610]
auth/userpass: Fix minor timing issue that could leak the presence of a username [GH-5614]
autounseal/alicloud: Fix issue interacting with the API (Enterprise)
autounseal/azure: Fix key version tracking (Enterprise)
cli: Fix panic that could occur if parameters were not provided [GH-5603]
core: Fix buggy behavior if trying to remount into a namespace
identity: Fix duplication of entity alias entity during alias transfer between entities [GH-5733]
namespaces: Fix tuning of auth mounts in a namespace
ui: Fix bug where editing secrets as JSON doesn't save properly [GH-5660]
ui: Fix issue where IE 11 didn't render the UI and also had a broken form when trying to use tool/hash [GH-5714]

0.11.4 (October 23rd, 2018)

CHANGES:

core: HA lock file is no longer copied during operator migrate [GH-5503]. We've categorized this as a change, but generally this can be considered just a bug fix, and no action is needed.

FEATURES:

Transit Key Trimming: Keys in transit secret engine can now be trimmed to remove older unused key versions
Web UI support for KV Version 2: Browse, delete, undelete and destroy individual secret versions in the UI
Azure Existing Service Principal Support: Credentials can now be generated against an existing service principal

IMPROVEMENTS:

core: Add last WAL in leader/health output for easier debugging [GH-5523]
identity: Identity names will now be handled case insensitively by default. This includes names of entities, aliases and groups [GH-5404]
secrets/aws: Added role-option max_sts_ttl to cap TTL for AWS STS credentials [GH-5500]
secret/database: Allow Cassandra user to be non-superuser so long as it has role creation permissions [GH-5402]
secret/radius: Allow setting the NAS Identifier value in the generated packet [GH-5465]
secret/ssh: Allow usage of JSON arrays when setting zero addresses [GH-5528]
secret/transit: Allow trimming unused keys [GH-5388]
ui: Support KVv2 [GH-5547], [GH-5563]
ui: Allow viewing and updating Vault license via the UI
ui: Onboarding will now display your progress through the chosen tutorials
ui: Dynamic secret backends obfuscate sensitive data by default and visibility is toggleable

BUG FIXES:

agent: Fix potential hang during agent shutdown [GH-5026]
auth/ldap: Fix listing of users/groups that contain slashes [GH-5537]
core: Fix memory leak during some expiration calls [GH-5505]
core: Fix generate-root operations requiring empty otp to be provided instead of an empty body [GH-5495]
identity: Remove lookup check during alias removal from entity [GH-5524]
secret/pki: Fix TTL/MaxTTL check when using sign-verbatim [GH-5549]
secret/pki: Fix regression in 0.11.2+ causing the NotBefore value of generated certificates to be set to the Unix epoch if the role value was not set, instead of using the default of 30 seconds [GH-5481]
storage/mysql: Use varbinary instead of varchar when creating HA tables [GH-5529]

0.11.3 (October 8th, 2018)

SECURITY:

Revocation: A regression in 0.11.2 (OSS) and 0.11.0 (Enterprise) caused lease IDs containing periods (.) to not be revoked properly. Upon startup when revocation is tried again these should now revoke successfully.

IMPROVEMENTS:

auth/ldap: Listing of users and groups return absolute paths [GH-5537]
secret/pki: OID SANs can now specify * to allow any value [GH-5459]

BUG FIXES:

auth/ldap: Fix panic if specific values were given to be escaped [GH-5471]
cli/auth: Fix panic if vault auth was given no parameters [GH-5473]
secret/database/mongodb: Fix panic that could occur at high load [GH-5463]
secret/pki: Fix CA generation not allowing OID SANs [GH-5459]

0.11.2 (October 2nd, 2018)

CHANGES:

sys/seal-status now includes an initialized boolean in the output. If Vault is not initialized, it will return a 200 with this value set false instead of a 400.
passthrough_request_headers will now deny certain headers from being provided to backends based on a global denylist.
Token Format: Tokens are now represented as a base62 value; tokens in namespaces will have the namespace identifier appended. (This appeared in Enterprise in 0.11.0, but is only in OSS in 0.11.2.)

FEATURES:

AWS Secret Engine Root Credential Rotation: The credential used by the AWS secret engine can now be rotated, to ensure that only Vault knows the credentials it is using [GH-5140]
Storage Backend Migrator: A new operator migrate command allows offline migration of data between two storage backends
AliCloud KMS Auto Unseal and Seal Wrap Support (Enterprise): AliCloud KMS can now be used a support seal for Auto Unseal and Seal Wrapping

BUG FIXES:

auth/okta: Fix reading deprecated token parameter if a token was previously set in the configuration [GH-5409]
core: Re-add deprecated capabilities information for now [GH-5360]
core: Fix handling of cyclic token relationships [GH-4803]
storage/mysql: Fix locking on MariaDB [GH-5343]
replication: Fix DR API when using a token [GH-5398]
identity: Ensure old group alias is removed when a new one is written [GH-5350]
storage/alicloud: Don't call uname on package init [GH-5358]
secrets/jwt: Fix issue where request context would be canceled too early
ui: fix need to have update for aws iam creds generation [GF-5294]
ui: fix calculation of token expiry [GH-5435]

IMPROVEMENTS:

auth/aws: The identity alias name can now configured to be either IAM unique ID of the IAM Principal, or ARN of the caller identity [GH-5247]
auth/cert: Add allowed_organizational_units support [GH-5252]
cli: Format TTLs for non-secret responses [GH-5367]
identity: Support operating on entities and groups by their names [GH-5355]
plugins: Add env parameter when registering plugins to the catalog to allow operators to include environment variables during plugin execution. [GH-5359]
secrets/aws: WAL Rollback improvements [GH-5202]
secrets/aws: Allow specifying STS role-default TTLs [GH-5138]
secrets/pki: Add configuration support for setting NotBefore [GH-5325]
core: Support for passing the Vault token via an Authorization Bearer header [GH-5397]
replication: Reindex process now runs in the background and does not block other vault operations
storage/zookeeper: Enable TLS based communication with Zookeeper [GH-4856]
ui: you can now init a cluster with a seal config [GH-5428]
ui: added the option to force promote replication clusters [GH-5438]
replication: Allow promotion of a secondary when data is syncing with a "force" flag

0.11.1.1 (September 17th, 2018) (Enterprise Only)

BUG FIXES:

agent: Fix auth handler-based wrapping of output tokens [GH-5316]
core: Properly store the replication checkpoint file if it's larger than the storage engine's per-item limit
core: Improve WAL deletion rate
core: Fix token creation on performance standby nodes
core: Fix unwrapping inside a namespace
core: Always forward tidy operations from performance standby nodes

IMPROVEMENTS:

auth/aws: add support for key/value pairs or JSON values for iam_request_headers with IAM auth method [GH-5320]
auth/aws, secret/aws: Throttling errors from the AWS API will now be reported as 502 errors by Vault, along with the original error [GH-5270]
replication: Start fetching during a sync from where it previously errored

0.11.1 (September 6th, 2018)

SECURITY:

Random Byte Reading in Barrier: Prior to this release, Vault was not properly checking the error code when reading random bytes for the IV for AES operations in its cryptographic barrier. Specifically, this means that such an IV could potentially be zero multiple times, causing nonce re-use and weakening the security of the key. On most platforms this should never happen because reading from kernel random sources is non-blocking and always successful, but there may be platform-specific behavior that has not been accounted for. (Vault has tests to check exactly this, and the tests have never seen nonce re-use.)

FEATURES:

AliCloud Agent Support: Vault Agent can now authenticate against the AliCloud auth method.
UI: Enable AliCloud auth method and Azure secrets engine via the UI.

IMPROVEMENTS:

core: Logging level for most logs (not including secrets/auth plugins) can now be changed on-the-fly via SIGHUP, reading the desired value from Vault's config file [GH-5280]

BUG FIXES:

core: Ensure we use a background context when stepping down [GH-5290]
core: Properly check error return from random byte reading [GH-5277]
core: Re-add sys/ top-route injection for now [GH-5241]
core: Policies stored in minified JSON would return an error [GH-5229]
core: Evaluate templated policies in capabilities check [GH-5250]
identity: Update MemDB with identity group alias while loading groups [GH-5289]
secrets/database: Fix nil pointer when revoking some leases [GH-5262]
secrets/pki: Fix sign-verbatim losing extra Subject attributes [GH-5245]
secrets/pki: Remove certificates from store when tidying revoked certificates and simplify API [GH-5231]
ui: JSON editor will not coerce input to an object, and will now show an error about Vault expecting an object [GH-5271]
ui: authentication form will now default to any methods that have been tuned to show up for unauthenticated users [GH-5281]

0.11.0 (August 28th, 2018)

DEPRECATIONS/CHANGES:

Request Timeouts: A default request timeout of 90s is now enforced. This setting can be overwritten in the config file. If you anticipate requests taking longer than 90s this setting should be updated before upgrading.
(NOTE: will be re-added into 0.11.1 as it broke more than anticipated. There will be some further guidelines around when this will be removed again.)
- sys/ Top Level Injection: For the last two years for backwards compatibility data for various sys/ routes has been injected into both the Secret's Data map and into the top level of the JSON response object. However, this has some subtle issues that pop up from time to time and is becoming increasingly complicated to maintain, so it's finally being removed.
Path Fallback for List Operations: For a very long time Vault has automatically adjusted list operations to always end in a /, as list operations operates on prefixes, so all list operations by definition end with /. This was done server-side so affects all clients. However, this has also led to a lot of confusion for users writing policies that assume that the path that they use in the CLI is the path used internally. Starting in 0.11, ACL policies gain a new fallback rule for listing: they will use a matching path ending in / if available, but if not found, they will look for the same path without a trailing /. This allows putting list capabilities in the same path block as most other capabilities for that path, while not providing any extra access if list wasn't actually provided there.
Performance Standbys On By Default: If you flavor/license of Vault Enterprise supports Performance Standbys, they are on by default. You can disable this behavior per-node with the disable_performance_standby configuration flag.
AWS Secret Engine Roles: The AWS Secret Engine roles are now explicit about the type of AWS credential they are generating; this reduces reduce ambiguity that existed previously as well as enables new features for specific credential types. Writing role data and generating credentials remain backwards compatible; however, the data returned when reading a role's configuration has changed in backwards-incompatible ways. Anything that depended on reading role data from the AWS secret engine will break until it is updated to work with the new format.
Token Format (Enterprise): Tokens are now represented as a base62 value; tokens in namespaces will have the namespace identifier appended.

FEATURES:

Namespaces (Enterprise): A set of features within Vault Enterprise that allows Vault environments to support Secure Multi-tenancy within a single Vault Enterprise infrastructure. Through namespaces, Vault administrators can support tenant isolation for teams and individuals as well as empower those individuals to self-manage their own tenant environment.
Performance Standbys (Enterprise): Standby nodes can now service requests that do not modify storage. This provides near-horizontal scaling of a cluster in some workloads, and is the intra-cluster analogue of the existing Performance Replication feature, which replicates to distinct clusters in other datacenters, geos, etc.
AliCloud OSS Storage: AliCloud OSS can now be used for Vault storage.
AliCloud Auth Plugin: AliCloud's identity services can now be used to grant access to Vault. See the plugin repository for more information.
Azure Secrets Plugin: There is now a plugin (pulled in to Vault) that allows generating credentials to allow access to Azure. See the plugin repository for more information.
HA Support for MySQL Storage: MySQL storage now supports HA.
ACL Templating: ACL policies can now be templated using identity Entity, Groups, and Metadata.
UI Onboarding wizards: The Vault UI can provide contextual help and guidance, linking out to relevant links or guides on vaultproject.io for various workflows in Vault.

IMPROVEMENTS:

agent: Add exit_after_auth to be able to use the Agent for a single authentication [GH-5013]
auth/approle: Add ability to set token bound CIDRs on individual Secret IDs [GH-5034]
cli: Add support for passing parameters to vault read operations [GH-5093]
secrets/aws: Make credential types more explicit [GH-4360]
secrets/nomad: Support for longer token names [GH-5117]
secrets/pki: Allow disabling CRL generation [GH-5134]
storage/azure: Add support for different Azure environments [GH-4997]
storage/file: Sort keys in list responses [GH-5141]
storage/mysql: Support special characters in database and table names.

BUG FIXES:

auth/jwt: Always validate aud claim even if bound_audiences isn't set (IOW, error in this case)
core: Prevent Go's HTTP library from interspersing logs in a different format and/or interleaved [GH-5135]
identity: Properly populate mount_path and mount_type on group lookup [GH-5074]
identity: Fix persisting alias metadata [GH-5188]
identity: Fix carryover issue from previously fixed race condition that could cause Vault not to start up due to two entities referencing the same alias. These entities are now merged. [GH-5000]
replication: Fix issue causing some pages not to flush to storage
secrets/database: Fix inability to update custom SQL statements on database roles. [GH-5080]
secrets/pki: Disallow putting the CA's serial on its CRL. While technically legal, doing so inherently means the CRL can't be trusted anyways, so it's not useful and easy to footgun. [GH-5134]
storage/gcp,spanner: Fix data races [GH-5081]

0.10.4 (July 25th, 2018)

SECURITY:

Control Groups: The associated Identity entity with a request was not being properly persisted. As a result, the same authorizer could provide more than one authorization.

DEPRECATIONS/CHANGES:

Revocations of dynamic secrets leases are now queued/asynchronous rather than synchronous. This allows Vault to take responsibility for revocation even if the initial attempt fails. The previous synchronous behavior can be attained via the -sync CLI flag or sync API parameter. When in synchronous mode, if the operation results in failure it is up to the user to retry.
CLI Retries: The CLI will no longer retry commands on 5xx errors. This was a source of confusion to users as to why Vault would "hang" before returning a 5xx error. The Go API client still defaults to two retries.
Identity Entity Alias metadata: You can no longer manually set metadata on entity aliases. All alias data (except the canonical entity ID it refers to) is intended to be managed by the plugin providing the alias information, so allowing it to be set manually didn't make sense.

FEATURES:

JWT/OIDC Auth Method: The new jwt auth method accepts JWTs and either validates signatures locally or uses OIDC Discovery to fetch the current set of keys for signature validation. Various claims can be specified for validation (in addition to the cryptographic signature) and a user and optional groups claim can be used to provide Identity information.
FoundationDB Storage: You can now use FoundationDB for storing Vault data.
UI Control Group Workflow (enterprise): The UI will now detect control group responses and provides a workflow to view the status of the request and to authorize requests.
Vault Agent (Beta): Vault Agent is a daemon that can automatically authenticate for you across a variety of authentication methods, provide tokens to clients, and keep the tokens renewed, reauthenticating as necessary.

IMPROVEMENTS:

auth/azure: Add support for virtual machine scale sets
auth/gcp: Support multiple bindings for region, zone, and instance group
cli: Add subcommands for interacting with the plugin catalog [GH-4911]
cli: Add a -description flag to secrets and auth tune subcommands to allow updating an existing secret engine's or auth method's description. This change also allows the description to be unset by providing an empty string.
core: Add config flag to disable non-printable character check [GH-4917]
core: A max_request_size parameter can now be set per-listener to adjust the maximum allowed size per request [GH-4824]
core: Add control group request endpoint to default policy [GH-4904]
identity: Identity metadata is now passed through to plugins [GH-4967]
replication: Add additional saftey checks and logging when replication is in a bad state
secrets/kv: Add support for using -field=data to KVv2 when using vault kv [GH-4895]
secrets/pki: Add the ability to tidy revoked but unexpired certificates [GH-4916]
secrets/ssh: Allow Vault to work with single-argument SSH flags [GH-4825]
secrets/ssh: SSH executable path can now be configured in the CLI [GH-4937]
storage/swift: Add additional configuration options [GH-4901]
ui: Choose which auth methods to show to unauthenticated users via listing_visibility in the auth method edit forms [GH-4854]
ui: Authenticate users automatically by passing a wrapped token to the UI via the new wrapped_token query parameter [GH-4854]

BUG FIXES:

api: Fix response body being cleared too early [GH-4987]
auth/approle: Fix issue with tidy endpoint that would unnecessarily remove secret accessors [GH-4981]
auth/aws: Fix updating max_retries [GH-4980]
auth/kubernetes: Trim trailing whitespace when sending JWT
cli: Fix parsing of environment variables for integer flags [GH-4925]
core: Fix returning 500 instead of 503 if a rekey is attempted when Vault is sealed [GH-4874]
core: Fix issue releasing the leader lock in some circumstances [GH-4915]
core: Fix a panic that could happen if the server was shut down while still starting up
core: Fix deadlock that would occur if a leadership loss occurs at the same time as a seal operation [GH-4932]
core: Fix issue with auth mounts failing to renew tokens due to policies changing [GH-4960]
auth/radius: Fix issue where some radius logins were being canceled too early [GH-4941]
core: Fix accidental seal of vault of we lose leadership during startup [GH-4924]
core: Fix standby not being able to forward requests larger than 4MB [GH-4844]
core: Avoid panic while processing group memberships [GH-4841]
identity: Fix a race condition creating aliases [GH-4965]
plugins: Fix being unable to send very large payloads to or from plugins [GH-4958]
physical/azure: Long list responses would sometimes be truncated [GH-4983]
replication: Allow replication status requests to be processed while in merkle sync
replication: Ensure merkle reindex flushes all changes to storage immediately
replication: Fix a case where a network interruption could cause a secondary to be unable to reconnect to a primary
secrets/pki: Fix permitted DNS domains performing improper validation [GH-4863]
secrets/database: Fix panic during DB creds revocation [GH-4846]
ui: Fix usage of cubbyhole backend in the UI [GH-4851]
ui: Fix toggle state when a secret is JSON-formatted [GH-4913]
ui: Fix coercion of falsey values to empty string when editing secrets as JSON [GH-4977]

0.10.3 (June 20th, 2018)

DEPRECATIONS/CHANGES:

In the audit log and in client responses, policies are now split into three parameters: policies that came only from tokens, policies that came only from Identity, and the combined set. Any previous location of policies via the API now contains the full, combined set.
When a token is tied to an Identity entity and the entity is deleted, the token will no longer be usable, regardless of the validity of the token itself.
When authentication succeeds but no policies were defined for that specific user, most auth methods would allow a token to be generated but a few would reject the authentication, namely ldap, okta, and radius. Since the default policy is added by Vault's core, this would incorrectly reject valid authentications before they would in fact be granted policies. This inconsistency has been addressed; valid authentications for these methods now succeed even if no policy was specifically defined in that method for that user.

FEATURES:

Root Rotation for Active Directory: You can now command Vault to rotate the configured root credentials used in the AD secrets engine, to ensure that only Vault knows the credentials it's using.
URI SANs in PKI: You can now configure URI Subject Alternate Names in the pki backend. Roles can limit which SANs are allowed via globbing.
kv rollback Command: You can now use vault kv rollback to roll a KVv2 path back to a previous non-deleted/non-destroyed version. The previous version becomes the next/newest version for the path.
Token Bound CIDRs in AppRole: You can now add CIDRs to which a token generated from AppRole will be bound.

IMPROVEMENTS:

approle: Return 404 instead of 202 on invalid role names during POST operations [GH-4778]
core: Add idle and initial header read/TLS handshake timeouts to connections to ensure server resources are cleaned up [GH-4760]
core: Report policies in token, identity, and full sets [GH-4747]
secrets/databases: Add create/update distinction for connection configurations [GH-3544]
secrets/databases: Add create/update distinction for role configurations [GH-3544]
secrets/databases: Add best-effort revocation logic for use when a role has been deleted [GH-4782]
secrets/kv: Add kv rollback [GH-4774]
secrets/pki: Add URI SANs support [GH-4675]
secrets/ssh: Allow standard SSH command arguments to be used, without requiring username@hostname syntax [GH-4710]
storage/consul: Add context support so that requests are cancelable [GH-4739]
sys: Added hidden option to listing_visibility field on sys/mounts API [GH-4827]
ui: Secret values are obfuscated by default and visibility is toggleable [GH-4422]

BUG FIXES:

auth/approle: Fix panic due to metadata being nil [GH-4719]
auth/aws: Fix delete path for tidy operations [GH-4799]
core: Optimizations to remove some speed regressions due to the security-related changes in 0.10.2
storage/dynamodb: Fix errors seen when reading existing DynamoDB data [GH-4721]
secrets/database: Fix default MySQL root rotation statement [GH-4748]
secrets/gcp: Fix renewal for GCP account keys
secrets/kv: Fix writing to the root of a KVv2 mount from vault kv commands incorrectly operating on a root+mount path instead of being an error [GH-4726]
seal/pkcs11: Add CKK_SHA256_HMAC to the search list when finding HMAC keys, fixing lookup on some Thales devices
replication: Fix issue enabling replication when a non-auth mount and auth mount have the same name
auth/kubernetes: Fix issue verifying ECDSA signed JWTs
ui: add missing edit mode for auth method configs [GH-4770]

0.10.2 (June 6th, 2018)

SECURITY:

Tokens: A race condition was identified that could occur if a token's lease expired while Vault was not running. In this case, when Vault came back online, sometimes it would properly revoke the lease but other times it would not, leading to a Vault token that no longer had an expiration and had essentially unlimited lifetime. This race was per-token, not all-or-nothing for all tokens that may have expired during Vault's downtime. We have fixed the behavior and put extra checks in place to help prevent any similar future issues. In addition, the logic we have put in place ensures that such lease-less tokens can no longer be used (unless they are root tokens that never had an expiration to begin with).
Convergent Encryption: The version 2 algorithm used in transit's convergent encryption feature is susceptible to offline plaintext-confirmation attacks. As a result, we are introducing a version 3 algorithm that mitigates this. If you are currently using convergent encryption, we recommend upgrading, rotating your encryption key (the new key version will use the new algorithm), and rewrapping your data (the rewrap endpoint can be used to allow a relatively non-privileged user to perform the rewrapping while never divulging the plaintext).
AppRole case-sensitive role name secret-id leaking: When using a mixed-case role name via AppRole, deleting a secret-id via accessor or other operations could end up leaving the secret-id behind and valid but without an accessor. This has now been fixed, and we have put checks in place to prevent these secret-ids from being used.

DEPRECATIONS/CHANGES:

PKI duration return types: The PKI backend now returns durations (e.g. when reading a role) as an integer number of seconds instead of a Go-style string, in line with how the rest of Vault's API returns durations.

FEATURES:

Active Directory Secrets Engine: A new ad secrets engine has been created which allows Vault to rotate and provide credentials for configured AD accounts.
Rekey Verification: Rekey operations can now require verification. This turns on a two-phase process where the existing key shares authorize generating a new master key, and a threshold of the new, returned key shares must be provided to verify that they have been successfully received in order for the actual master key to be rotated.
CIDR restrictions for cert, userpass, and kubernetes auth methods: You can now limit authentication to specific CIDRs; these will also be encoded in resultant tokens to limit their use.
Vault UI Browser CLI: The UI now supports usage of read/write/list/delete commands in a CLI that can be accessed from the nav bar. Complex inputs such as JSON files are not currently supported. This surfaces features otherwise unsupported in Vault's UI.
Azure Key Vault Auto Unseal/Seal Wrap Support (Enterprise): Azure Key Vault can now be used a support seal for Auto Unseal and Seal Wrapping.

IMPROVEMENTS:

api: Close renewer's doneCh when the renewer is stopped, so that programs expecting a final value through doneCh behave correctly [GH-4472]
auth/cert: Break out allowed_names into component parts and add allowed_uri_sans [GH-4231]
auth/ldap: Obfuscate error messages pre-bind for greater security [GH-4700]
cli: vault login now supports a -no-print flag to suppress printing token information but still allow storing into the token helper [GH-4454]
core/pkcs11 (enterprise): Add support for CKM_AES_CBC_PAD, CKM_RSA_PKCS, and CKM_RSA_PKCS_OAEP mechanisms
core/pkcs11 (enterprise): HSM slots can now be selected by token label instead of just slot number
core/token: Optimize token revocation by removing unnecessary list call against the storage backend when calling revoke-orphan on tokens [GH-4465]
core/token: Refactor token revocation logic to not block on the call when underlying leases are pending revocation by moving the expiration logic to the expiration manager [GH-4512]
expiration: Allow revoke-prefix and revoke-force to work on single leases as well as prefixes [GH-4450]
identity: Return parent group info when reading a group [GH-4648]
identity: Provide more contextual key information when listing entities, groups, and aliases
identity: Passthrough EntityID to backends [GH-4663]
identity: Adds ability to request entity information through system view [GH_4681]
secret/pki: Add custom extended key usages [GH-4667]
secret/pki: Add custom PKIX serial numbers [GH-4694]
secret/ssh: Use hostname instead of IP in OTP mode, similar to CA mode [GH-4673]
storage/file: Attempt in some error conditions to do more cleanup [GH-4684]
ui: wrapping lookup now distplays the path [GH-4644]
ui: Identity interface now has more inline actions to make editing and adding aliases to an entity or group easier [GH-4502]
ui: Identity interface now lists groups by name [GH-4655]
ui: Permission denied errors still render the sidebar in the Access section [GH-4658]
replication: Improve performance of index page flushes and WAL garbage collecting

BUG FIXES:

auth/approle: Make invalid role_id a 400 error instead of 500 [GH-4470]
auth/cert: Fix Identity alias using serial number instead of common name [GH-4475]
cli: Fix panic running vault token capabilities with multiple paths [GH-4552]
core: When using the use_always option with PROXY protocol support, do not require authorized_addrs to be set [GH-4065]
core: Fix panic when certain combinations of policy paths and allowed/denied parameters were used [GH-4582]
secret/gcp: Make bound_region able to use short names
secret/kv: Fix response wrapping for KV v2 [GH-4511]
secret/kv: Fix address flag not being honored correctly [GH-4617]
secret/pki: Fix safety_buffer for tidy being allowed to be negative, clearing all certs [GH-4641]
secret/pki: Fix key_type not being allowed to be set to any [GH-4595]
secret/pki: Fix path length parameter being ignored when using use_csr_values and signing an intermediate CA cert [GH-4459]
secret/ssh: Only append UserKnownHostsFile to args when configured with a value [GH-4674]
storage/dynamodb: Fix listing when one child is left within a nested path [GH-4570]
storage/gcs: Fix swallowing an error on connection close [GH-4691]
ui: Fix HMAC algorithm in transit [GH-4604]
ui: Fix unwrap of auth responses via the UI's unwrap tool [GH-4611]
ui (enterprise): Fix parsing of version string that blocked some users from seeing enterprise-specific pages in the UI [GH-4547]
ui: Fix incorrect capabilities path check when viewing policies [GH-4566]
replication: Fix error while running plugins on a newly created replication secondary
replication: Fix issue with token store lookups after a secondary's mount table is invalidated.
replication: Improve startup time when a large merkle index is in use.
replication: Fix panic when storage becomes unreachable during unseal.

0.10.1/0.9.7 (April 25th, 2018)

The following two items are in both 0.9.7 and 0.10.1. They only affect Enterprise, and as such 0.9.7 is an Enterprise-only release:

SECURITY:

EGPs: A regression affecting 0.9.6 and 0.10.0 causes EGPs to not be applied correctly if an EGP is updated in a running Vault after initial write or after it is loaded on unseal. This has been fixed.

BUG FIXES:

Fixed an upgrade issue affecting performance secondaries when migrating from a version that did not include Identity to one that did.

All other content in this release is for 0.10.1 only.

DEPRECATIONS/CHANGES:

vault kv and Vault versions: In 0.10.1 some issues with vault kv against v1 K/V engine mounts are fixed. However, using 0.10.1 for both the server and CLI versions is required.
Mount information visibility: Users that have access to any path within a mount can now see information about that mount, such as its type and options, via some API calls.
Identity and Local Mounts: Local mounts would allow creating Identity entities but these would not be able to be used successfully (even locally) in replicated scenarios. We have now disallowed entities and groups from being created for local mounts in the first place.

FEATURES:

X-Forwarded-For support: X-Forwarded-For headers can now be used to set the client IP seen by Vault. See the TCP listener configuration page for details.
CIDR IP Binding for Tokens: Tokens now support being bound to specific CIDR(s) for usage. Currently this is implemented in Token Roles; usage can be expanded to other authentication backends over time.
vault kv patch command: A new kv patch helper command that allows modifying only some values in existing data at a K/V path, but uses check-and-set to ensure that this modification happens safely.
AppRole Local Secret IDs: Roles can now be configured to generate secret IDs local to the cluster. This enables performance secondaries to generate and consume secret IDs without contacting the primary.
AES-GCM Support for PKCS#11 [BETA] (Enterprise): For supporting HSMs, AES-GCM can now be used in lieu of AES-CBC/HMAC-SHA256. This has currently only been fully tested on AWS CloudHSM.
Auto Unseal/Seal Wrap Key Rotation Support (Enterprise): Auto Unseal mechanisms, including PKCS#11 HSMs, now support rotation of encryption keys, and migration between key and encryption types, such as from AES-CBC to AES-GCM, can be performed at the same time (where supported).

IMPROVEMENTS:

auth/approle: Support for cluster local secret IDs. This enables secondaries to generate secret IDs without contacting the primary [GH-4427]
auth/token: Add to the token lookup response, the policies inherited due to identity associations [GH-4366]
auth/token: Add CIDR binding to token roles [GH-815]
cli: Add vault kv patch [GH-4432]
core: Add X-Forwarded-For support [GH-4380]
core: Add token CIDR-binding support [GH-815]
identity: Add the ability to disable an entity. Disabling an entity does not revoke associated tokens, but while the entity is disabled they cannot be used. [GH-4353]
physical/consul: Allow tuning of session TTL and lock wait time [GH-4352]
replication: Dynamically adjust WAL cleanup over a period of time based on the rate of writes committed
secret/ssh: Update dynamic key install script to use shell locking to avoid concurrent modifications [GH-4358]
ui: Access to sys/mounts is no longer needed to use the UI - the list of engines will show you the ones you implicitly have access to (because you have access to to secrets in those engines) [GH-4439]

BUG FIXES:

cli: Fix vault kv backwards compatibility with KV v1 engine mounts [GH-4430]
identity: Persist entity memberships in external identity groups across mounts [GH-4365]
identity: Fix error preventing authentication using local mounts on performance secondary replication clusters [GH-4407]
replication: Fix issue causing secondaries to not connect properly to a pre-0.10 primary until the primary was upgraded
secret/gcp: Fix panic on rollback when a roleset wasn't created properly [GH-4344]
secret/gcp: Fix panic on renewal
ui: Fix IE11 form submissions in a few parts of the application [GH-4378]
ui: Fix IE file saving on policy pages and init screens [GH-4376]
ui: Fixed an issue where the AWS secret backend would show the wrong menu [GH-4371]
ui: Fixed an issue where policies with commas would not render in the interface properly [GH-4398]
ui: Corrected the saving of mount tune ttls for auth methods [GH-4431]
ui: Credentials generation no longer checks capabilities before making api calls. This should fix needing "update" capabilites to read IAM credentials in the AWS secrets engine [GH-4446]

0.10.0 (April 10th, 2018)

SECURITY:

Log sanitization for Combined Database Secret Engine: In certain failure scenarios with incorrectly formatted connection urls, the raw connection errors were being returned to the user with the configured database credentials. Errors are now sanitized before being returned to the user.

DEPRECATIONS/CHANGES:

Database plugin compatibility: The database plugin interface was enhanced to support some additional functionality related to root credential rotation and supporting templated URL strings. The changes were made in a backwards-compatible way and all builtin plugins were updated with the new features. Custom plugins not built into Vault will need to be upgraded to support templated URL strings and root rotation. Additionally, the Initialize method was deprecated in favor of a new Init method that supports configuration modifications that occur in the plugin back to the primary data store.
Removal of returned secret information: For a long time Vault has returned configuration given to various secret engines and auth methods with secret values (such as secret API keys or passwords) still intact, and with a warning to the user on write that anyone with read access could see the secret. This was mostly done to make it easy for tools like Terraform to judge whether state had drifted. However, it also feels quite un-Vault-y to do this and we've never felt very comfortable doing so. In 0.10 we have gone through and removed this behavior from the various backends; fields which contained secret values are simply no longer returned on read. We are working with the Terraform team to make changes to their provider to accommodate this as best as possible, and users of other tools may have to make adjustments, but in the end we felt that the ends did not justify the means and we needed to prioritize security over operational convenience.
LDAP auth method case sensitivity: We now treat usernames and groups configured locally for policy assignment in a case insensitive fashion by default. Existing configurations will continue to work as they do now; however, the next time a configuration is written case_sensitive_names will need to be explicitly set to true.
TTL handling within core: All lease TTL handling has been centralized within the core of Vault to ensure consistency across all backends. Since this was previously delegated to individual backends, there may be some slight differences in TTLs generated from some backends.
Removal of default secret/ mount: In 0.12 we will stop mounting secret/ by default at initialization time (it will still be available in dev mode).

FEATURES:

OSS UI: The Vault UI is now fully open-source. Similarly to the CLI, some features are only available with a supporting version of Vault, but the code base is entirely open.
Versioned K/V: The kv backend has been completely revamped, featuring flexible versioning of values, check-and-set protections, and more. A new vault kv subcommand allows friendly interactions with it. Existing mounts of the kv backend can be upgraded to the new versioned mode (downgrades are not currently supported). The old "passthrough" mode is still the default for new mounts; versioning can be turned on by setting the -version=2 flag for the vault secrets enable command.
Database Root Credential Rotation: Database configurations can now rotate their own configured admin/root credentials, allowing configured credentials for a database connection to be rotated immediately after sending them into Vault, invalidating the old credentials and ensuring only Vault knows the actual valid values.
Azure Authentication Plugin: There is now a plugin (pulled in to Vault) that allows authenticating Azure machines to Vault using Azure's Managed Service Identity credentials. See the plugin repository for more information.
GCP Secrets Plugin: There is now a plugin (pulled in to Vault) that allows generating secrets to allow access to GCP. See the plugin repository for more information.
Selective Audit HMACing of Request and Response Data Keys: HMACing in audit logs can be turned off for specific keys in the request input map and response data map on a per-mount basis.
Passthrough Request Headers: Request headers can now be selectively passed through to backends on a per-mount basis. This is useful in various cases when plugins are interacting with external services.
HA for Google Cloud Storage: The GCS storage type now supports HA.
UI support for identity: Add and edit entities, groups, and their associated aliases.
UI auth method support: Enable, disable, and configure all of the built-in authentication methods.
UI (Enterprise): View and edit Sentinel policies.

IMPROVEMENTS:

core: Centralize TTL generation for leases in core [GH-4230]
identity: API to update group-alias by ID [GH-4237]
secret/cassandra: Update Cassandra storage delete function to not use batch operations [GH-4054]
storage/mysql: Allow setting max idle connections and connection lifetime [GH-4211]
storage/gcs: Add HA support [GH-4226]
ui: Add Nomad to the list of available secret engines
ui: Adds ability to set static headers to be returned by the UI

BUG FIXES:

api: Fix retries not working [GH-4322]
auth/gcp: Invalidate clients on config change
auth/token: Revoke-orphan and tidy operations now correctly cleans up the parent prefix entry in the underlying storage backend. These operations also mark corresponding child tokens as orphans by removing the parent/secondary index from the entries. [GH-4193]
command: Re-add -mfa flag and migrate to OSS binary [GH-4223]
core: Fix issue occurring from mounting two auth backends with the same path with one mount having auth/ in front [GH-4206]
mfa: Invalidation of MFA configurations (Enterprise)
replication: Fix a panic on some non-64-bit platforms
replication: Fix invalidation of policies on performance secondaries
secret/pki: When tidying if a value is unexpectedly nil, delete it and move on [GH-4214]
storage/s3: Fix panic if S3 returns no Content-Length header [GH-4222]
ui: Fixed an issue where the UI was checking incorrect paths when operating on transit keys. Capabilities are now checked when attempting to encrypt / decrypt, etc.
ui: Fixed IE 11 layout issues and JS errors that would stop the application from running.
ui: Fixed the link that gets rendered when a user doesn't have permissions to view the root of a secret engine. The link now sends them back to the list of secret engines.
replication: Fix issue with DR secondaries when using mount specified local paths.
cli: Fix an issue where generating a dr operation token would not output the token [GH-4328]

0.9.6 (March 20th, 2018)

DEPRECATIONS/CHANGES:

The AWS authentication backend now allows binds for inputs as either a comma-delimited string or a string array. However, to keep consistency with input and output, when reading a role the binds will now be returned as string arrays rather than strings.
In order to prefix-match IAM role and instance profile ARNs in AWS auth backend, you now must explicitly opt-in by adding a * to the end of the ARN. Existing configurations will be upgraded automatically, but when writing a new role configuration the updated behavior will be used.

FEATURES:

Replication Activation Enhancements: When activating a replication secondary, a public key can now be fetched first from the target cluster. This public key can be provided to the primary when requesting the activation token. If provided, the public key will be used to perform a Diffie-Hellman key exchange resulting in a shared key that encrypts the contents of the activation token. The purpose is to protect against accidental disclosure of the contents of the token if unwrapped by the wrong party, given that the contents of the token are highly sensitive. If accidentally unwrapped, the contents of the token are not usable by the unwrapping party. It is important to note that just as a malicious operator could unwrap the contents of the token, a malicious operator can pretend to be a secondary and complete the Diffie-Hellman exchange on their own; this feature provides defense in depth but still requires due diligence around replication activation, including multiple eyes on the commands/tokens and proper auditing.

IMPROVEMENTS:

api: Update renewer grace period logic. It no longer is static, but rather dynamically calculates one based on the current lease duration after each renew. [GH-4090]
auth/approle: Allow array input for bound_cidr_list [4078]
auth/aws: Allow using lists in role bind parameters [GH-3907]
auth/aws: Allow binding by EC2 instance IDs [GH-3816]
auth/aws: Allow non-prefix-matched IAM role and instance profile ARNs [GH-4071]
auth/ldap: Set a very large size limit on queries [GH-4169]
core: Log info notifications of revoked leases for all leases/reasons, not just expirations [GH-4164]
physical/couchdb: Removed limit on the listing of items [GH-4149]
secret/pki: Support certificate policies [GH-4125]
secret/pki: Add ability to have CA:true encoded into intermediate CSRs, to improve compatibility with some ADFS scenarios [GH-3883]
secret/transit: Allow selecting signature algorithm as well as hash algorithm when signing/verifying [GH-4018]
server: Make sure tls_disable_client_cert is actually a true value rather than just set [GH-4049]
storage/dynamodb: Allow specifying max retries for dynamo client [GH-4115]
storage/gcs: Allow specifying chunk size for transfers, which can reduce memory utilization [GH-4060]
sys/capabilities: Add the ability to use multiple paths for capability checking [GH-3663]

BUG FIXES:

auth/aws: Fix honoring max_ttl when a corresponding role ttl is not also set [GH-4107]
auth/okta: Fix honoring configured max_ttl value [GH-4110]
auth/token: If a periodic token being issued has a period greater than the max_lease_ttl configured on the token store mount, truncate it. This matches renewal behavior; before it was inconsistent between issuance and renewal. [GH-4112]
cli: Improve error messages around vault auth help when there is no CLI helper for a particular method [GH-4056]
cli: Fix autocomplete installation when using Fish as the shell [GH-4094]
secret/database: Properly honor mount-tuned max TTL [GH-4051]
secret/ssh: Return key_bits value when reading a role [GH-4098]
sys: When writing policies on a performance replication secondary, properly forward requests to the primary [GH-4129]

0.9.5 (February 26th, 2018)

IMPROVEMENTS:

auth: Allow sending default_lease_ttl and max_lease_ttl values when enabling auth methods. [GH-4019]
secret/database: Add list functionality to database/config endpoint [GH-4026]
physical/consul: Allow setting a specific service address [GH-3971]
replication: When bootstrapping a new secondary, if the initial cluster connection fails, Vault will attempt to roll back state so that bootstrapping can be tried again, rather than having to recreate the downstream cluster. This will still require fetching a new secondary activation token.

BUG FIXES:

auth/aws: Update libraries to fix regression verifying PKCS#7 identity documents [GH-4014]
listener: Revert to Go 1.9 for now to allow certificates with non-DNS names in their DNS SANs to be used for Vault's TLS connections [GH-4028]
replication: Fix issue with a performance secondary/DR primary node losing its DR primary status when performing an update-primary operation
replication: Fix issue where performance secondaries could be unable to automatically connect to a performance primary after that performance primary has been promoted to a DR primary from a DR secondary
ui: Fix behavior when a value contains a .

0.9.4 (February 20th, 2018)

SECURITY:

Role Tags used with the EC2 style of AWS auth were being improperly parsed; as a result they were not being used to properly restrict values. Implementations following our suggestion of using these as defense-in-depth rather than the only source of restriction should not have significant impact.

FEATURES:

ChaCha20-Poly1305 support in transit: You can now encrypt and decrypt with ChaCha20-Poly1305 in transit. Key derivation and convergent encryption is also supported.
Okta Push support in Okta Auth Backend: If a user account has MFA required within Okta, an Okta Push MFA flow can be used to successfully finish authentication.
PKI Improvements: Custom OID subject alternate names can now be set, subject to allow restrictions that support globbing. Additionally, Country, Locality, Province, Street Address, and Postal Code can now be set in certificate subjects.
Manta Storage: Joyent Triton Manta can now be used for Vault storage
Google Cloud Spanner Storage: Google Cloud Spanner can now be used for Vault storage

IMPROVEMENTS:

auth/centrify: Add CLI helper
audit: Always log failure metrics, even if zero, to ensure the values appear on dashboards [GH-3937]
cli: Disable color when output is not a TTY [GH-3897]
cli: Add -format flag to all subcommands [GH-3897]
cli: Do not display deprecation warnings when the format is not table [GH-3897]
core: If over a predefined lease count (256k), log a warning not more than once a minute. Too many leases can be problematic for many of the storage backends and often this number of leases is indicative of a need for workflow improvements. [GH-3957]
secret/nomad: Have generated ACL tokens cap out at 64 characters [GH-4009]
secret/pki: Country, Locality, Province, Street Address, and Postal Code can now be set on certificates [GH-3992]
secret/pki: UTF-8 Other Names can now be set in Subject Alternate Names in issued certs; allowed values can be set per role and support globbing [GH-3889]
secret/pki: Add a flag to make the common name optional on certs [GH-3940]
secret/pki: Ensure only DNS-compatible names go into DNS SANs; additionally, properly handle IDNA transformations for these DNS names [GH-3953]
secret/ssh: Add valid-principles flag to CLI for CA mode [GH-3922]
storage/manta: Add Manta storage [GH-3270]
ui (Enterprise): Support for ChaCha20-Poly1305 keys in the transit engine.

BUG FIXES:

api/renewer: Honor increment value in renew auth calls [GH-3904]
auth/approle: Fix inability to use limited-use-count secret IDs on replication performance secondaries
auth/approle: Cleanup of secret ID accessors during tidy and removal of dangling accessor entries [GH-3924]
auth/aws-ec2: Avoid masking of role tag response [GH-3941]
auth/cert: Verify DNS SANs in the authenticating certificate [GH-3982]
auth/okta: Return configured durations as seconds, not nanoseconds [GH-3871]
auth/okta: Get all okta groups for a user vs. default 200 limit [GH-4034]
auth/token: Token creation via the CLI no longer forces periodic token creation. Passing an explicit zero value for the period no longer create periodic tokens. [GH-3880]
command: Fix interpreted formatting directives when printing raw fields [GH-4005]
command: Correctly format output when using -field and -format flags at the same time [GH-3987]
command/rekey: Re-add lost stored-shares parameter [GH-3974]
command/ssh: Create and reuse the api client [GH-3909]
command/status: Fix panic when status returns 500 from leadership lookup [GH-3998]
identity: Fix race when creating entities [GH-3932]
plugin/gRPC: Fixed an issue with list requests and raw responses coming from plugins using gRPC transport [GH-3881]
plugin/gRPC: Fix panic when special paths are not set [GH-3946]
secret/pki: Verify a name is a valid hostname before adding to DNS SANs [GH-3918]
secret/transit: Fix auditing when reading a key after it has been backed up or restored [GH-3919]
secret/transit: Fix storage/memory consistency when persistence fails [GH-3959]
storage/consul: Validate that service names are RFC 1123 compliant [GH-3960]
storage/etcd3: Fix memory ballooning with standby instances [GH-3798]
storage/etcd3: Fix large lists (like token loading at startup) not being handled [GH-3772]
storage/postgresql: Fix compatibility with versions using custom string version tags [GH-3949]
storage/zookeeper: Update vendoring to fix freezing issues [GH-3896]
ui (Enterprise): Decoding the replication token should no longer error and prevent enabling of a secondary replication cluster via the ui.
plugin/gRPC: Add connection info to the request object [GH-3997]

0.9.3 (January 28th, 2018)

A regression from a feature merge disabled the Nomad secrets backend in 0.9.2. This release re-enables the Nomad secrets backend; it is otherwise identical to 0.9.2.

0.9.2 (January 26th, 2018)

SECURITY:

Okta Auth Backend: While the Okta auth backend was successfully verifying usernames and passwords, it was not checking the returned state of the account, so accounts that had been marked locked out could still be used to log in. Only accounts in SUCCESS or PASSWORD_WARN states are now allowed.
Periodic Tokens: A regression in 0.9.1 meant that periodic tokens created by the AppRole, AWS, and Cert auth backends would expire when the max TTL for the backend/mount/system was hit instead of their stated behavior of living as long as they are renewed. This is now fixed; existing tokens do not have to be reissued as this was purely a regression in the renewal logic.
Seal Wrapping: During certain replication states values written marked for seal wrapping may not be wrapped on the secondaries. This has been fixed, and existing values will be wrapped on next read or write. This does not affect the barrier keys.

DEPRECATIONS/CHANGES:

sys/health DR Secondary Reporting: The replication_dr_secondary bool returned by sys/health could be misleading since it would be false both when a cluster was not a DR secondary but also when the node is a standby in the cluster and has not yet fully received state from the active node. This could cause health checks on LBs to decide that the node was acceptable for traffic even though DR secondaries cannot handle normal Vault traffic. (In other words, the bool could only convey "yes" or "no" but not "not sure yet".) This has been replaced by replication_dr_mode and replication_perf_mode which are string values that convey the current state of the node; a value of disabled indicates that replication is disabled or the state is still being discovered. As a result, an LB check can positively verify that the node is both not disabled and is not a DR secondary, and avoid sending traffic to it if either is true.
PKI Secret Backend Roles parameter types: For ou and organization in role definitions in the PKI secret backend, input can now be a comma-separated string or an array of strings. Reading a role will now return arrays for these parameters.
Plugin API Changes: The plugin API has been updated to utilize golang's context.Context package. Many function signatures now accept a context object as the first parameter. Existing plugins will need to pull in the latest Vault code and update their function signatures to begin using context and the new gRPC transport.

FEATURES:

gRPC Backend Plugins: Backend plugins now use gRPC for transport, allowing them to be written in other languages.
Brand New CLI: Vault has a brand new CLI interface that is significantly streamlined, supports autocomplete, and is almost entirely backwards compatible.
UI: PKI Secret Backend (Enterprise): Configure PKI secret backends, create and browse roles and certificates, and issue and sign certificates via the listed roles.

IMPROVEMENTS:

auth/aws: Handle IAM headers produced by clients that formulate numbers as ints rather than strings [GH-3763]
auth/okta: Support JSON lists when specifying groups and policies [GH-3801]
autoseal/hsm: Attempt reconnecting to the HSM on certain kinds of issues, including HA scenarios for some Gemalto HSMs. (Enterprise)
cli: Output password prompts to stderr to make it easier to pipe an output token to another command [GH-3782]
core: Report replication status in sys/health [GH-3810]
physical/s3: Allow using paths with S3 for non-AWS deployments [GH-3730]
physical/s3: Add ability to disable SSL for non-AWS deployments [GH-3730]
plugins: Args for plugins can now be specified separately from the command, allowing the same output format and input format for plugin information [GH-3778]
secret/pki: ou and organization can now be specified as a comma-separated string or an array of strings [GH-3804]
plugins: Plugins will fall back to using netrpc as the communication protocol on older versions of Vault [GH-3833]

BUG FIXES:

auth/(approle,aws,cert): Fix behavior where periodic tokens generated by these backends could not have their TTL renewed beyond the system/mount max TTL value [GH-3803]
auth/aws: Fix error returned if bound_iam_principal_arn was given to an existing role update [GH-3843]
core/sealwrap: Speed improvements and bug fixes (Enterprise)
identity: Delete group alias when an external group is deleted [GH-3773]
legacymfa/duo: Fix intermittent panic when Duo could not be reached [GH-2030]
secret/database: Fix a location where a lock could potentially not be released, leading to deadlock [GH-3774]
secret/(all databases) Fix behavior where if a max TTL was specified but no default TTL was specified the system/mount default TTL would be used but not be capped by the local max TTL [GH-3814]
secret/database: Fix an issue where plugins were not closed properly if they failed to initialize [GH-3768]
ui: mounting a secret backend will now properly set max_lease_ttl and default_lease_ttl when specified - previously both fields set default_lease_ttl.

0.9.1 (December 21st, 2017)

DEPRECATIONS/CHANGES:

AppRole Case Sensitivity: In prior versions of Vault, list operations against AppRole roles would require preserving case in the role name, even though most other operations within AppRole are case-insensitive with respect to the role name. This has been fixed; existing roles will behave as they have in the past, but new roles will act case-insensitively in these cases.
Token Auth Backend Roles parameter types: For allowed_policies and disallowed_policies in role definitions in the token auth backend, input can now be a comma-separated string or an array of strings. Reading a role will now return arrays for these parameters.
Transit key exporting: You can now mark a key in the transit backend as exportable at any time, rather than just at creation time; however, once this value is set, it still cannot be unset.
PKI Secret Backend Roles parameter types: For allowed_domains and key_usage in role definitions in the PKI secret backend, input can now be a comma-separated string or an array of strings. Reading a role will now return arrays for these parameters.
SSH Dynamic Keys Method Defaults to 2048-bit Keys: When using the dynamic key method in the SSH backend, the default is now to use 2048-bit keys if no specific key bit size is specified.
Consul Secret Backend lease handling: The consul secret backend can now accept both strings and integer numbers of seconds for its lease value. The value returned on a role read will be an integer number of seconds instead of a human-friendly string.
Unprintable characters not allowed in API paths: Unprintable characters are no longer allowed in names in the API (paths and path parameters), with an extra restriction on whitespace characters. Allowed characters are those that are considered printable by Unicode plus spaces.

FEATURES:

Transit Backup/Restore: The transit backend now supports a backup operation that can export a given key, including all key versions and configuration, as well as a restore operation allowing import into another Vault.
gRPC Database Plugins: Database plugins now use gRPC for transport, allowing them to be written in other languages.
Nomad Secret Backend: Nomad ACL tokens can now be generated and revoked using Vault.
TLS Cert Auth Backend Improvements: The cert auth backend can now match against custom certificate extensions via exact or glob matching, and additionally supports max_ttl and periodic token toggles.

IMPROVEMENTS:

auth/cert: Support custom certificate constraints [GH-3634]
auth/cert: Support setting max_ttl and period [GH-3642]
audit/file: Setting a file mode of 0000 will now disable Vault from automatically chmoding the log file [GH-3649]
auth/github: The legacy MFA system can now be used with the GitHub auth backend [GH-3696]
auth/okta: The legacy MFA system can now be used with the Okta auth backend [GH-3653]
auth/token: allowed_policies and disallowed_policies can now be specified as a comma-separated string or an array of strings [GH-3641]
command/server: The log level can now be specified with VAULT_LOG_LEVEL [GH-3721]
core: Period values from auth backends will now be checked and applied to the TTL value directly by core on login and renewal requests [GH-3677]
database/mongodb: Add optional write_concern parameter, which can be set during database configuration. This establishes a session-wide write concern for the lifecycle of the mount [GH-3646]
http: Request path containing non-printable characters will return 400 - Bad Request [GH-3697]
mfa/okta: Filter a given email address as a login filter, allowing operation when login email and account email are different
plugins: Make Vault more resilient when unsealing when plugins are unavailable [GH-3686]
secret/pki: allowed_domains and key_usage can now be specified as a comma-separated string or an array of strings [GH-3642]
secret/ssh: Allow 4096-bit keys to be used in dynamic key method [GH-3593]
secret/consul: The Consul secret backend now uses the value of lease set on the role, if set, when renewing a secret. [GH-3796]
storage/mysql: Don't attempt database creation if it exists, which can help under certain permissions constraints [GH-3716]

BUG FIXES:

api/status (enterprise): Fix status reporting when using an auto seal
auth/approle: Fix case-sensitive/insensitive comparison issue [GH-3665]
auth/cert: Return allowed_names on role read [GH-3654]
auth/ldap: Fix incorrect control information being sent [GH-3402] [GH-3496] [GH-3625] [GH-3656]
core: Fix seal status reporting when using an autoseal
core: Add creation path to wrap info for a control group token
core: Fix potential panic that could occur using plugins when a node transitioned from active to standby [GH-3638]
core: Fix memory ballooning when a connection would connect to the cluster port and then go away -- redux! [GH-3680]
core: Replace recursive token revocation logic with depth-first logic, which can avoid hitting stack depth limits in extreme cases [GH-2348]
core: When doing a read on configured audited-headers, properly handle case insensitivity [GH-3701]
core/pkcs11 (enterprise): Fix panic when PKCS#11 library is not readable
database/mysql: Allow the creation statement to use commands that are not yet supported by the prepare statement protocol [GH-3619]
plugin/auth-gcp: Fix IAM roles when using allow_gce_inference [VPAG-19]

0.9.0.1 (November 21st, 2017) (Enterprise Only)

IMPROVEMENTS:

auth/gcp: Support seal wrapping of configuration parameters
auth/kubernetes: Support seal wrapping of configuration parameters

BUG FIXES:

Fix an upgrade issue with some physical backends when migrating from legacy HSM stored key support to the new Seal Wrap mechanism (Enterprise)
mfa: Add the 'mfa' flag that was removed by mistake [GH-4223]

0.9.0 (November 14th, 2017)

DEPRECATIONS/CHANGES:

HSM config parameter requirements: When using Vault with an HSM, a new parameter is required: hmac_key_label. This performs a similar function to key_label but for the HMAC key Vault will use. Vault will generate a suitable key if this value is specified and generate_key is set true.
API HTTP client behavior: When calling NewClient the API no longer modifies the provided client/transport. In particular this means it will no longer enable redirection limiting and HTTP/2 support on custom clients. It is suggested that if you want to make changes to an HTTP client that you use one created by DefaultConfig as a starting point.
AWS EC2 client nonce behavior: The client nonce generated by the backend that gets returned along with the authentication response will be audited in plaintext. If this is undesired, the clients can choose to supply a custom nonce to the login endpoint. The custom nonce set by the client will from now on, not be returned back with the authentication response, and hence not audit logged.
AWS Auth role options: The API will now error when trying to create or update a role with the mutually-exclusive options disallow_reauthentication and allow_instance_migration.
SSH CA role read changes: When reading back a role from the ssh backend, the TTL/max TTL values will now be an integer number of seconds rather than a string. This better matches the API elsewhere in Vault.
SSH role list changes: When listing roles from the ssh backend via the API, the response data will additionally return a key_info map that will contain a map of each key with a corresponding object containing the key_type.
More granularity in audit logs: Audit request and response entries are still in RFC3339 format but now have a granularity of nanoseconds.
High availability related values have been moved out of the storage and ha_storage stanzas, and into the top-level configuration. redirect_addr has been renamed to api_addr. The stanzas still support accepting HA-related values to maintain backward compatibility, but top-level values will take precedence.
A new seal stanza has been added to the configuration file, which is optional and enables configuration of the seal type to use for additional data protection, such as using HSM or Cloud KMS solutions to encrypt and decrypt data.

FEATURES:

RSA Support for Transit Backend: Transit backend can now generate RSA keys which can be used for encryption and signing. [GH-3489]
Identity System: Now in open source and with significant enhancements, Identity is an integrated system for understanding users across tokens and enabling easier management of users directly and via groups.
External Groups in Identity: Vault can now automatically assign users and systems to groups in Identity based on their membership in external groups.
Seal Wrap / FIPS 140-2 Compatibility (Enterprise): Vault can now take advantage of FIPS 140-2-certified HSMs to ensure that Critical Security Parameters are protected in a compliant fashion. Vault's implementation has received a statement of compliance from Leidos.
Control Groups (Enterprise): Require multiple members of an Identity group to authorize a requested action before it is allowed to run.
Cloud Auto-Unseal (Enterprise): Automatically unseal Vault using AWS KMS and GCP CKMS.
Sentinel Integration (Enterprise): Take advantage of HashiCorp Sentinel to create extremely flexible access control policies -- even on unauthenticated endpoints.
Barrier Rekey Support for Auto-Unseal (Enterprise): When using auto-unsealing functionality, the rekey operation is now supported; it uses recovery keys to authorize the master key rekey.
Operation Token for Disaster Recovery Actions (Enterprise): When using Disaster Recovery replication, a token can be created that can be used to authorize actions such as promotion and updating primary information, rather than using recovery keys.
Trigger Auto-Unseal with Recovery Keys (Enterprise): When using auto-unsealing, a request to unseal Vault can be triggered by a threshold of recovery keys, rather than requiring the Vault process to be restarted.
UI Redesign (Enterprise): All new experience for the Vault Enterprise UI. The look and feel has been completely redesigned to give users a better experience and make managing secrets fast and easy.
UI: SSH Secret Backend (Enterprise): Configure an SSH secret backend, create and browse roles. And use them to sign keys or generate one time passwords.
UI: AWS Secret Backend (Enterprise): You can now configure the AWS backend via the Vault Enterprise UI. In addition you can create roles, browse the roles and Generate IAM Credentials from them in the UI.

IMPROVEMENTS:

api: Add ability to set custom headers on each call [GH-3394]
command/server: Add config option to disable requesting client certificates [GH-3373]
auth/aws: Max retries can now be customized for the AWS client [GH-3965]
core: Disallow mounting underneath an existing path, not just over [GH-2919]
physical/file: Use 700 as permissions when creating directories. The files themselves were 600 and are all encrypted, but this doesn't hurt.
secret/aws: Add ability to use custom IAM/STS endpoints [GH-3416]
secret/aws: Max retries can now be customized for the AWS client [GH-3965]
secret/cassandra: Work around Cassandra ignoring consistency levels for a user listing query [GH-3469]
secret/pki: Private keys can now be marshalled as PKCS#8 [GH-3518]
secret/pki: Allow entering URLs for pki as both comma-separated strings and JSON arrays [GH-3409]
secret/ssh: Role TTL/max TTL can now be specified as either a string or an integer [GH-3507]
secret/transit: Sign and verify operations now support a none hash algorithm to allow signing/verifying pre-hashed data [GH-3448]
secret/database: Add the ability to glob allowed roles in the Database Backend [GH-3387]
ui (enterprise): Support for RSA keys in the transit backend
ui (enterprise): Support for DR Operation Token generation, promoting, and updating primary on DR Secondary clusters

BUG FIXES:

api: Fix panic when setting a custom HTTP client but with a nil transport [GH-3435] [GH-3437]
api: Fix authing to the cert backend when the CA for the client cert is not known to the server's listener [GH-2946]
auth/approle: Create role ID index during read if a role is missing one [GH-3561]
auth/aws: Don't allow mutually exclusive options [GH-3291]
auth/radius: Fix logging in in some situations [GH-3461]
core: Fix memleak when a connection would connect to the cluster port and then go away [GH-3513]
core: Fix panic if a single-use token is used to step-down or seal [GH-3497]
core: Set rather than add headers to prevent some duplicated headers in responses when requests were forwarded to the active node [GH-3485]
physical/etcd3: Fix some listing issues due to how etcd3 does prefix matching [GH-3406]
physical/etcd3: Fix case where standbys can lose their etcd client lease [GH-3031]
physical/file: Fix listing when underscores are the first component of a path [GH-3476]
plugins: Allow response errors to be returned from backend plugins [GH-3412]
secret/transit: Fix panic if the length of the input ciphertext was less than the expected nonce length [GH-3521]
ui (enterprise): Reinstate support for generic secret backends - this was erroneously removed in a previous release

0.8.3 (September 19th, 2017)

CHANGES:

Policy input/output standardization: For all built-in authentication backends, policies can now be specified as a comma-delimited string or an array if using JSON as API input; on read, policies will be returned as an array; and the default policy will not be forcefully added to policies saved in configurations. Please note that the default policy will continue to be added to generated tokens, however, rather than backends adding default to the given set of input policies (in some cases, and not in others), the stored set will reflect the user-specified set.
sign-self-issued modifies Issuer in generated certificates: In 0.8.2 the endpoint would not modify the Issuer in the generated certificate, leaving the output self-issued. Although theoretically valid, in practice crypto stacks were unhappy validating paths containing such certs. As a result, sign-self-issued now encodes the signing CA's Subject DN into the Issuer DN of the generated certificate.
sys/raw requires enabling: While the sys/raw endpoint can be extremely useful in break-glass or support scenarios, it is also extremely dangerous. As of now, a configuration file option raw_storage_endpoint must be set in order to enable this API endpoint. Once set, the available functionality has been enhanced slightly; it now supports listing and decrypting most of Vault's core data structures, except for the encryption keyring itself.
generic is now kv: To better reflect its actual use, the generic backend is now kv. Using generic will still work for backwards compatibility.

FEATURES:

GCE Support for GCP Auth: GCE instances can now authenticate to Vault using machine credentials.
Support for Kubernetes Service Account Auth: Kubernetes Service Accounts can now authenticate to vault using JWT tokens.

IMPROVEMENTS:

configuration: Provide a config option to store Vault server's process ID (PID) in a file [GH-3321]
mfa (Enterprise): Add the ability to use identity metadata in username format
mfa/okta (Enterprise): Add support for configuring base_url for API calls
secret/pki: sign-intermediate will now allow specifying a ttl value longer than the signing CA certificate's NotAfter value. [GH-3325]
sys/raw: Raw storage access is now disabled by default [GH-3329]

BUG FIXES:

auth/okta: Fix regression that removed the ability to set base_url [GH-3313]
core: Fix panic while loading leases at startup on ARM processors [GH-3314]
secret/pki: Fix sign-self-issued encoding the wrong subject public key [GH-3325]

0.8.2.1 (September 11th, 2017) (Enterprise Only)

BUG FIXES:

Fix an issue upgrading to 0.8.2 for Enterprise customers.

0.8.2 (September 5th, 2017)

SECURITY:

In prior versions of Vault, if authenticating via AWS IAM and requesting a periodic token, the period was not properly respected. This could lead to tokens expiring unexpectedly, or a token lifetime being longer than expected. Upon token renewal with Vault 0.8.2 the period will be properly enforced.

DEPRECATIONS/CHANGES:

vault ssh users should supply -mode and -role to reduce the number of API calls. A future version of Vault will mark these optional values are required. Failure to supply -mode or -role will result in a warning.
Vault plugins will first briefly run a restricted version of the plugin to fetch metadata, and then lazy-load the plugin on first request to prevent crash/deadlock of Vault during the unseal process. Plugins will need to be built with the latest changes in order for them to run properly.

FEATURES:

Lazy Lease Loading: On startup, Vault will now load leases from storage in a lazy fashion (token checks and revocation/renewal requests still force an immediate load). For larger installations this can significantly reduce downtime when switching active nodes or bringing Vault up from cold start.
SSH CA Login with vault ssh: vault ssh now supports the SSH CA backend for authenticating to machines. It also supports remote host key verification through the SSH CA backend, if enabled.
Signing of Self-Issued Certs in PKI: The pki backend now supports signing self-issued CA certs. This is useful when switching root CAs.

IMPROVEMENTS:

audit/file: Allow specifying stdout as the file_path to log to standard output [GH-3235]
auth/aws: Allow wildcards in bound_iam_principal_arn [GH-3213]
auth/okta: Compare groups case-insensitively since Okta is only case-preserving [GH-3240]
auth/okta: Standardize Okta configuration APIs across backends [GH-3245]
cli: Add subcommand autocompletion that can be enabled with vault -autocomplete-install [GH-3223]
cli: Add ability to handle wrapped responses when using vault auth. What is output depends on the other given flags; see the help output for that command for more information. [GH-3263]
core: TLS cipher suites used for cluster behavior can now be set via cluster_cipher_suites in configuration [GH-3228]
core: The plugin_name can now either be specified directly as part of the parameter or within the config object when mounting a secret or auth backend via sys/mounts/:path or sys/auth/:path respectively [GH-3202]
core: It is now possible to update the description of a mount when mount-tuning, although this must be done through the HTTP layer [GH-3285]
secret/databases/mongo: If an EOF is encountered, attempt reconnecting and retrying the operation [GH-3269]
secret/pki: TTLs can now be specified as a string or an integer number of seconds [GH-3270]
secret/pki: Self-issued certs can now be signed via pki/root/sign-self-issued [GH-3274]
storage/gcp: Use application default credentials if they exist [GH-3248]

BUG FIXES:

auth/aws: Properly use role-set period values for IAM-derived token renewals [GH-3220]
auth/okta: Fix updating organization/ttl/max_ttl after initial setting [GH-3236]
core: Fix PROXY when underlying connection is TLS [GH-3195]
core: Policy-related commands would sometimes fail to act case-insensitively [GH-3210]
storage/consul: Fix parsing TLS configuration when using a bare IPv6 address [GH-3268]
plugins: Lazy-load plugins to prevent crash/deadlock during unseal process. [GH-3255]
plugins: Skip mounting plugin-based secret and credential mounts when setting up mounts if the plugin is no longer present in the catalog. [GH-3255]

0.8.1 (August 16th, 2017)

DEPRECATIONS/CHANGES:

PKI Root Generation: Calling pki/root/generate when a CA cert/key already exists will now return a 204 instead of overwriting an existing root. If you want to recreate the root, first run a delete operation on pki/root (requires sudo capability), then generate it again.

FEATURES:

Oracle Secret Backend: There is now an external plugin to support leased credentials for Oracle databases (distributed separately).
GCP IAM Auth Backend: There is now an authentication backend that allows using GCP IAM credentials to retrieve Vault tokens. This is available as both a plugin and built-in to Vault.
PingID Push Support for Path-Based MFA (Enterprise): PingID Push can now be used for MFA with the new path-based MFA introduced in Vault Enterprise 0.8.
Permitted DNS Domains Support in PKI: The pki backend now supports specifying permitted DNS domains for CA certificates, allowing you to narrowly scope the set of domains for which a CA can issue or sign child certificates.
Plugin Backend Reload Endpoint: Plugin backends can now be triggered to reload using the sys/plugins/reload/backend endpoint and providing either the plugin name or the mounts to reload.
Self-Reloading Plugins: The plugin system will now attempt to reload a crashed or stopped plugin, once per request.

IMPROVEMENTS:

auth/approle: Allow array input for policies in addition to comma-delimited strings [GH-3163]
plugins: Send logs through Vault's logger rather than stdout [GH-3142]
secret/pki: Add pki/root delete operation [GH-3165]
secret/pki: Don't overwrite an existing root cert/key when calling generate [GH-3165]

BUG FIXES:

aws: Don't prefer a nil HTTP client over an existing one [GH-3159]
core: If there is an error when checking for create/update existence, return 500 instead of 400 [GH-3162]
secret/database: Avoid creating usernames that are too long for legacy MySQL [GH-3138]

0.8.0 (August 9th, 2017)

SECURITY:

We've added a note to the docs about the way the GitHub auth backend works as it may not be readily apparent that GitHub personal access tokens, which are used by the backend, can be used for unauthorized access if they are stolen from third party services and access to Vault is public.

DEPRECATIONS/CHANGES:

Database Plugin Backends: Passwords generated for these backends now enforce stricter password requirements, as opposed to the previous behavior of returning a randomized UUID. Passwords are of length 20, and have a A1a- characters prepended to ensure stricter requirements. No regressions are expected from this change. (For database backends that were previously substituting underscores for hyphens in passwords, this will remain the case.)
Lease Endpoints: The endpoints sys/renew, sys/revoke, sys/revoke-prefix, sys/revoke-force have been deprecated and relocated under sys/leases. Additionally, the deprecated path sys/revoke-force now requires the sudo capability.
Response Wrapping Lookup Unauthenticated: The sys/wrapping/lookup endpoint is now unauthenticated. This allows introspection of the wrapping info by clients that only have the wrapping token without then invalidating the token. Validation functions/checks are still performed on the token.

FEATURES:

Cassandra Storage: Cassandra can now be used for Vault storage
CockroachDB Storage: CockroachDB can now be used for Vault storage
CouchDB Storage: CouchDB can now be used for Vault storage
SAP HANA Database Plugin: The databases backend can now manage users for SAP HANA databases
Plugin Backends: Vault now supports running secret and auth backends as plugins. Plugins can be mounted like normal backends and can be developed independently from Vault.
PROXY Protocol Support Vault listeners can now be configured to honor PROXY protocol v1 information to allow passing real client IPs into Vault. A list of authorized addresses (IPs or subnets) can be defined and accept/reject behavior controlled.
Lease Lookup and Browsing in the Vault Enterprise UI: Vault Enterprise UI now supports lookup and listing of leases and the associated actions from the sys/leases endpoints in the API. These are located in the new top level navigation item "Leases".
Filtered Mounts for Performance Mode Replication: Whitelists or blacklists of mounts can be defined per-secondary to control which mounts are actually replicated to that secondary. This can allow targeted replication of specific sets of data to specific geolocations/datacenters.
Disaster Recovery Mode Replication (Enterprise Only): There is a new replication mode, Disaster Recovery (DR), that performs full real-time replication (including tokens and leases) to DR secondaries. DR secondaries cannot handle client requests, but can be promoted to primary as needed for failover.
Manage New Replication Features in the Vault Enterprise UI: Support for Replication features in Vault Enterprise UI has expanded to include new DR Replication mode and management of Filtered Mounts in Performance Replication mode.
Vault Identity (Enterprise Only): Vault's new Identity system allows correlation of users across tokens. At present this is only used for MFA, but will be the foundation of many other features going forward.
Duo Push, Okta Push, and TOTP MFA For All Authenticated Paths (Enterprise Only): A brand new MFA system built on top of Identity allows MFA (currently Duo Push, Okta Push, and TOTP) for any authenticated path within Vault. MFA methods can be configured centrally, and TOTP keys live within the user's Identity information to allow using the same key across tokens. Specific MFA method(s) required for any given path within Vault can be specified in normal ACL path statements.

IMPROVEMENTS:

api: Add client method for a secret renewer background process [GH-2886]
api: Add RenewTokenAsSelf [GH-2886]
api: Client timeout can now be adjusted with the VAULT_CLIENT_TIMEOUT env var or with a new API function [GH-2956]
api/cli: Client will now attempt to look up SRV records for the given Vault hostname [GH-3035]
audit/socket: Enhance reconnection logic and don't require the connection to be established at unseal time [GH-2934]
audit/file: Opportunistically try re-opening the file on error [GH-2999]
auth/approle: Add role name to token metadata [GH-2985]
auth/okta: Allow specifying ttl/max_ttl inside the mount [GH-2915]
cli: Client timeout can now be adjusted with the VAULT_CLIENT_TIMEOUT env var [GH-2956]
command/auth: Add -token-only flag to vault auth that returns only the token on stdout and does not store it via the token helper [GH-2855]
core: CORS allowed origins can now be configured [GH-2021]
core: Add metrics counters for audit log failures [GH-2863]
cors: Allow setting allowed headers via the API instead of always using wildcard [GH-3023]
secret/ssh: Allow specifying the key ID format using template values for CA type [GH-2888]
server: Add tls_client_ca_file option for specifying a CA file to use for client certificate verification when tls_require_and_verify_client_cert is enabled [GH-3034]
storage/cockroachdb: Add CockroachDB storage backend [GH-2713]
storage/couchdb: Add CouchDB storage backend [GH-2880]
storage/mssql: Add max_parallel [GH-3026]
storage/postgresql: Add max_parallel [GH-3026]
storage/postgresql: Improve listing speed [GH-2945]
storage/s3: More efficient paging when an object has a lot of subobjects [GH-2780]
sys/wrapping: Make sys/wrapping/lookup unauthenticated [GH-3084]
sys/wrapping: Wrapped tokens now store the original request path of the data [GH-3100]
telemetry: Add support for DogStatsD [GH-2490]

BUG FIXES:

api/health: Don't treat standby 429 codes as an error [GH-2850]
api/leases: Fix lease lookup returning lease properties at the top level
audit: Fix panic when audit logging a read operation on an asymmetric transit key [GH-2958]
auth/approle: Fix panic when secret and cidr list not provided in role [GH-3075]
auth/aws: Look up proper account ID on token renew [GH-3012]
auth/aws: Store IAM header in all cases when it changes [GH-3004]
auth/ldap: Verify given certificate is PEM encoded instead of failing silently [GH-3016]
auth/token: Don't allow using the same token ID twice when manually specifying [GH-2916]
cli: Fix issue with parsing keys that start with special characters [GH-2998]
core: Relocated sys/leases/renew returns same payload as original sys/leases endpoint [GH-2891]
secret/ssh: Fix panic when signing with incorrect key type [GH-3072]
secret/totp: Ensure codes can only be used once. This makes some automated workflows harder but complies with the RFC. [GH-2908]
secret/transit: Fix locking when creating a key with unsupported options [GH-2974]

0.7.3 (June 7th, 2017)

SECURITY:

Cert auth backend now checks validity of individual certificates: In previous versions of Vault, validity (e.g. expiration) of individual leaf certificates added for authentication was not checked. This was done to make it easier for administrators to control lifecycles of individual certificates added to the backend, e.g. the authentication material being checked was access to that specific certificate's private key rather than all private keys signed by a CA. However, this behavior is often unexpected and as a result can lead to insecure deployments, so we are now validating these certificates as well.
App-ID path salting was skipped in 0.7.1/0.7.2: A regression in 0.7.1/0.7.2 caused the HMACing of any App-ID information stored in paths (including actual app-IDs and user-IDs) to be unsalted and written as-is from the API. In 0.7.3 any such paths will be automatically changed to salted versions on access (e.g. login or read); however, if you created new app-IDs or user-IDs in 0.7.1/0.7.2, you may want to consider whether any users with access to Vault's underlying data store may have intercepted these values, and revoke/roll them.

DEPRECATIONS/CHANGES:

Step-Down is Forwarded: When a step-down is issued against a non-active node in an HA cluster, it will now forward the request to the active node.

FEATURES:

ed25519 Signing/Verification in Transit with Key Derivation: The transit backend now supports generating ed25519 keys for signing and verification functionality. These keys support derivation, allowing you to modify the actual encryption key used by supplying a context value.
Key Version Specification for Encryption in Transit: You can now specify the version of a key you use to wish to generate a signature, ciphertext, or HMAC. This can be controlled by the min_encryption_version key configuration property.
Replication Primary Discovery (Enterprise): Replication primaries will now advertise the addresses of their local HA cluster members to replication secondaries. This helps recovery if the primary active node goes down and neither service discovery nor load balancers are in use to steer clients.

IMPROVEMENTS:

api/health: Add Sys().Health() [GH-2805]
audit: Add auth information to requests that error out [GH-2754]
command/auth: Add -no-store option that prevents the auth command from storing the returned token into the configured token helper [GH-2809]
core/forwarding: Request forwarding now heartbeats to prevent unused connections from being terminated by firewalls or proxies
plugins/databases: Add MongoDB as an internal database plugin [GH-2698]
storage/dynamodb: Add a method for checking the existence of children, speeding up deletion operations in the DynamoDB storage backend [GH-2722]
storage/mysql: Add max_parallel parameter to MySQL backend [GH-2760]
secret/databases: Support listing connections [GH-2823]
secret/databases: Support custom renewal statements in Postgres database plugin [GH-2788]
secret/databases: Use the role name as part of generated credentials [GH-2812]
ui (Enterprise): Transit key and secret browsing UI handle large lists better
ui (Enterprise): root tokens are no longer persisted
ui (Enterprise): support for mounting Database and TOTP secret backends

BUG FIXES:

auth/app-id: Fix regression causing loading of salts to be skipped
auth/aws: Improve EC2 describe instances performance [GH-2766]
auth/aws: Fix lookup of some instance profile ARNs [GH-2802]
auth/aws: Resolve ARNs to internal AWS IDs which makes lookup at various points (e.g. renewal time) more robust [GH-2814]
auth/aws: Properly honor configured period when using IAM authentication [GH-2825]
auth/aws: Check that a bound IAM principal is not empty (in the current state of the role) before requiring it match the previously authenticated client [GH-2781]
auth/cert: Fix panic on renewal [GH-2749]
auth/cert: Certificate verification for non-CA certs [GH-2761]
core/acl: Prevent race condition when compiling ACLs in some scenarios [GH-2826]
secret/database: Increase wrapping token TTL; in a loaded scenario it could be too short
secret/generic: Allow integers to be set as the value of ttl field as the documentation claims is supported [GH-2699]
secret/ssh: Added host key callback to ssh client config [GH-2752]
storage/s3: Avoid a panic when some bad data is returned [GH-2785]
storage/dynamodb: Fix list functions working improperly on Windows [GH-2789]
storage/file: Don't leak file descriptors in some error cases
storage/swift: Fix pre-v3 project/tenant name reading [GH-2803]

0.7.2 (May 8th, 2017)

BUG FIXES:

audit: Fix auditing entries containing certain kinds of time values [GH-2689]

0.7.1 (May 5th, 2017)

DEPRECATIONS/CHANGES:

LDAP Auth Backend: Group membership queries will now run as the binddn user when binddn/bindpass are configured, rather than as the authenticating user as was the case previously.

FEATURES:

AWS IAM Authentication: IAM principals can get Vault tokens automatically, opening AWS-based authentication to users, ECS containers, Lambda instances, and more. Signed client identity information retrieved using the AWS API sts:GetCallerIdentity is validated against the AWS STS service before issuing a Vault token. This backend is unified with the aws-ec2 authentication backend under the name aws, and allows additional EC2-related restrictions to be applied during the IAM authentication; the previous EC2 behavior is also still available. [GH-2441]
MSSQL Physical Backend: You can now use Microsoft SQL Server as your Vault physical data store [GH-2546]
Lease Listing and Lookup: You can now introspect a lease to get its creation and expiration properties via sys/leases/lookup; with sudo capability you can also list leases for lookup, renewal, or revocation via that endpoint. Various lease functions (renew, revoke, revoke-prefix, revoke-force) have also been relocated to sys/leases/, but they also work at the old paths for compatibility. Reading (but not listing) leases via sys/leases/lookup is now a part of the current default policy. [GH-2650]
TOTP Secret Backend: You can now store multi-factor authentication keys in Vault and use the API to retrieve time-based one-time use passwords on demand. The backend can also be used to generate a new key and validate passwords generated by that key. [GH-2492]
Database Secret Backend & Secure Plugins (Beta): This new secret backend combines the functionality of the MySQL, PostgreSQL, MSSQL, and Cassandra backends. It also provides a plugin interface for extendability through custom databases. [GH-2200]

IMPROVEMENTS:

auth/cert: Support for constraints on subject Common Name and DNS/email Subject Alternate Names in certificates [GH-2595]
auth/ldap: Use the binding credentials to search group membership rather than the user credentials [GH-2534]
cli/revoke: Add -self option to allow revoking the currently active token [GH-2596]
core: Randomize x coordinate in Shamir shares [GH-2621]
replication: Fix a bug when enabling approle on a primary before secondaries were connected
replication: Add heartbeating to ensure firewalls don't kill connections to primaries
secret/pki: Add no_store option that allows certificates to be issued without being stored. This removes the ability to look up and/or add to a CRL but helps with scaling to very large numbers of certificates. [GH-2565]
secret/pki: If used with a role parameter, the sign-verbatim/<role> endpoint honors the values of generate_lease, no_store, ttl and max_ttl from the given role [GH-2593]
secret/pki: Add role parameter allow_glob_domains that enables defining names in allowed_domains containing * glob patterns [GH-2517]
secret/pki: Update certificate storage to not use characters that are not supported on some filesystems [GH-2575]
storage/etcd3: Add discovery_srv option to query for SRV records to find servers [GH-2521]
storage/s3: Support max_parallel option to limit concurrent outstanding requests [GH-2466]
storage/s3: Use pooled transport for http client [GH-2481]
storage/swift: Allow domain values for V3 authentication [GH-2554]
tidy: Improvements to auth/token/tidy and sys/leases/tidy to handle more cleanup cases [GH-2452]

BUG FIXES:

api: Respect a configured path in Vault's address [GH-2588]
auth/aws-ec2: New bounds added as criteria to allow role creation [GH-2600]
auth/ldap: Don't lowercase groups attached to users [GH-2613]
cli: Don't panic if vault write is used with the force flag but no path [GH-2674]
core: Help operations should request forward since standbys may not have appropriate info [GH-2677]
replication: Fix enabling secondaries when certain mounts already existed on the primary
secret/mssql: Update mssql driver to support queries with colons [GH-2610]
secret/pki: Don't lowercase O/OU values in certs [GH-2555]
secret/pki: Don't attempt to validate IP SANs if none are provided [GH-2574]
secret/ssh: Don't automatically lowercase principles in issued SSH certs [GH-2591]
storage/consul: Properly handle state events rather than timing out [GH-2548]
storage/etcd3: Ensure locks are released if client is improperly shut down [GH-2526]

0.7.0 (March 21th, 2017)

SECURITY:

Common name not being validated when exclude_cn_from_sans option used in pki backend: When using a role in the pki backend that specified the exclude_cn_from_sans option, the common name would not then be properly validated against the role's constraints. This has been fixed. We recommend any users of this feature to upgrade to 0.7 as soon as feasible.

DEPRECATIONS/CHANGES:

List Operations Always Use Trailing Slash: Any list operation, whether via the GET or LIST HTTP verb, will now internally canonicalize the path to have a trailing slash. This makes policy writing more predictable, as it means clients will no longer work or fail based on which client they're using or which HTTP verb they're using. However, it also means that policies allowing list capability must be carefully checked to ensure that they contain a trailing slash; some policies may need to be split into multiple stanzas to accommodate.
PKI Defaults to Unleased Certificates: When issuing certificates from the PKI backend, by default, no leases will be issued. If you want to manually revoke a certificate, its serial number can be used with the pki/revoke endpoint. Issuing leases is still possible by enabling the generate_lease toggle in PKI role entries (this will default to true for upgrades, to keep existing behavior), which will allow using lease IDs to revoke certificates. For installations issuing large numbers of certificates (tens to hundreds of thousands, or millions), this will significantly improve Vault startup time since leases associated with these certificates will not have to be loaded; however note that it also means that revocation of a token used to issue

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