diff --git a/src/connector/src/connector_common/common.rs b/src/connector/src/connector_common/common.rs
index b522ae2eda560..9f4211aedd4d9 100644
--- a/src/connector/src/connector_common/common.rs
+++ b/src/connector/src/connector_common/common.rs
@@ -192,14 +192,26 @@ pub struct KafkaCommon {
     #[serde(rename = "properties.ssl.ca.location")]
     ssl_ca_location: Option<String>,
 
+    /// CA certificate string (PEM format) for verifying the broker's key.
+    #[serde(rename = "properties.ssl.ca.pem")]
+    ssl_ca_pem: Option<String>,
+
     /// Path to client's certificate file (PEM).
     #[serde(rename = "properties.ssl.certificate.location")]
     ssl_certificate_location: Option<String>,
 
+    /// Client's public key string (PEM format) used for authentication.
+    #[serde(rename = "properties.ssl.certificate.pem")]
+    ssl_certificate_pem: Option<String>,
+
     /// Path to client's private key file (PEM).
     #[serde(rename = "properties.ssl.key.location")]
     ssl_key_location: Option<String>,
 
+    /// Client's private key string (PEM format) used for authentication.
+    #[serde(rename = "properties.ssl.key.pem")]
+    ssl_key_pem: Option<String>,
+
     /// Passphrase of client's private key.
     #[serde(rename = "properties.ssl.key.password")]
     ssl_key_password: Option<String>,
@@ -325,12 +337,21 @@ impl KafkaCommon {
         if let Some(ssl_ca_location) = self.ssl_ca_location.as_ref() {
             config.set("ssl.ca.location", ssl_ca_location);
         }
+        if let Some(ssl_ca_pem) = self.ssl_ca_pem.as_ref() {
+            config.set("ssl.ca.pem", ssl_ca_pem);
+        }
         if let Some(ssl_certificate_location) = self.ssl_certificate_location.as_ref() {
             config.set("ssl.certificate.location", ssl_certificate_location);
         }
+        if let Some(ssl_certificate_pem) = self.ssl_certificate_pem.as_ref() {
+            config.set("ssl.certificate.pem", ssl_certificate_pem);
+        }
         if let Some(ssl_key_location) = self.ssl_key_location.as_ref() {
             config.set("ssl.key.location", ssl_key_location);
         }
+        if let Some(ssl_key_pem) = self.ssl_key_pem.as_ref() {
+            config.set("ssl.key.pem", ssl_key_pem);
+        }
         if let Some(ssl_key_password) = self.ssl_key_password.as_ref() {
             config.set("ssl.key.password", ssl_key_password);
         }
diff --git a/src/connector/with_options_sink.yaml b/src/connector/with_options_sink.yaml
index f321de880c72c..7fd1fa8b44ab9 100644
--- a/src/connector/with_options_sink.yaml
+++ b/src/connector/with_options_sink.yaml
@@ -377,14 +377,26 @@ KafkaConfig:
     field_type: String
     comments: Path to CA certificate file for verifying the broker's key.
     required: false
+  - name: properties.ssl.ca.pem
+    field_type: String
+    comments: CA certificate string (PEM format) for verifying the broker's key.
+    required: false
   - name: properties.ssl.certificate.location
     field_type: String
     comments: Path to client's certificate file (PEM).
     required: false
+  - name: properties.ssl.certificate.pem
+    field_type: String
+    comments: Client's public key string (PEM format) used for authentication.
+    required: false
   - name: properties.ssl.key.location
     field_type: String
     comments: Path to client's private key file (PEM).
     required: false
+  - name: properties.ssl.key.pem
+    field_type: String
+    comments: Client's private key string (PEM format) used for authentication.
+    required: false
   - name: properties.ssl.key.password
     field_type: String
     comments: Passphrase of client's private key.
diff --git a/src/connector/with_options_source.yaml b/src/connector/with_options_source.yaml
index 4eaf1e0d3db4b..a6a19e80c89a3 100644
--- a/src/connector/with_options_source.yaml
+++ b/src/connector/with_options_source.yaml
@@ -199,14 +199,26 @@ KafkaProperties:
     field_type: String
     comments: Path to CA certificate file for verifying the broker's key.
     required: false
+  - name: properties.ssl.ca.pem
+    field_type: String
+    comments: CA certificate string (PEM format) for verifying the broker's key.
+    required: false
   - name: properties.ssl.certificate.location
     field_type: String
     comments: Path to client's certificate file (PEM).
     required: false
+  - name: properties.ssl.certificate.pem
+    field_type: String
+    comments: Client's public key string (PEM format) used for authentication.
+    required: false
   - name: properties.ssl.key.location
     field_type: String
     comments: Path to client's private key file (PEM).
     required: false
+  - name: properties.ssl.key.pem
+    field_type: String
+    comments: Client's private key string (PEM format) used for authentication.
+    required: false
   - name: properties.ssl.key.password
     field_type: String
     comments: Passphrase of client's private key.