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AWS msk documentation change

Service: msk · 2026-06-25 · Documentation low

File: msk/latest/developerguide/msk-replicator-troubleshooting.md

Summary

Updated troubleshooting guidance to include mTLS authentication errors and certificate validation

Security assessment

Expands authentication failure troubleshooting to cover mTLS scenarios, providing security-related operational guidance but without evidence of a specific vulnerability being fixed.

Diff

diff --git a/msk/latest/developerguide/msk-replicator-troubleshooting.md b/msk/latest/developerguide/msk-replicator-troubleshooting.md
index f8435627a..00d2bf3d7 100644
--- a//msk/latest/developerguide/msk-replicator-troubleshooting.md
+++ b//msk/latest/developerguide/msk-replicator-troubleshooting.md
@@ -274 +274 @@ Perform the following checks if MSK Replicator cannot connect to your self-manag
-### SASL/SCRAM authentication failures
+### SASL/SCRAM or mTLS authentication failures
@@ -276 +276 @@ Perform the following checks if MSK Replicator cannot connect to your self-manag
-If the `AuthError` metric is non-zero or the Replicator logs show SASL/SCRAM errors:
+If the `AuthError` metric is non-zero or the Replicator logs show SASL/SCRAM or mTLS errors:
@@ -278 +278 @@ If the `AuthError` metric is non-zero or the Replicator logs show SASL/SCRAM err
-  1. Verify that the credentials stored in AWS Secrets Manager match the SCRAM user credentials on the self-managed cluster.
+  1. Verify that the credentials stored in AWS Secrets Manager match the SCRAM user credentials on the self-managed cluster (for SASL/SCRAM) or that the client certificate and private key are correct (for mTLS).
@@ -280 +280 @@ If the `AuthError` metric is non-zero or the Replicator logs show SASL/SCRAM err
-  2. Verify that the SCRAM user has the required ACL permissions (Read, Describe on topics; Read, Describe on consumer groups; Describe on cluster).
+  2. Verify that the SCRAM user or certificate principal has the required ACL permissions (Read, Describe on topics; Read, Describe on consumer groups; Describe on cluster).