CVE-2026-27134

A flaw was found in Strimzi. When using a custom Cluster or Clients Certificate Authority CA with a multistage CA chain, Strimzi incorrectly configures the trusted certificates for mutual Transport Layer Security mTLS authentication. This allows users with certificates signed by any CA in the cha...

CVE-2026-27134 Strimzi: All CAs from a custom CA chain consisting of multiple CAs are trusted for mTLS user autentication

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. In versions 0.49.0 through 0.50.0, when using a custom Cluster or Clients CA with a multistage CA chain consisting of multiple CAs, Strimzi incorrectly configures the trusted...