CVE-2026-55225

Strimzi 1.0.0 and earlier (used to run Apache Kafka clusters on Kubernetes/OpenShift) is vulnerable to cross-namespace privilege escalation via the Kafka.spec.entityOperator.watchedNamespace field. An attacker who can create a Kafka custom resource can set watchedNamespace to a target namespace, ...

EUVD-2026-78883

Strimzi provides a way to run an Apache Kafka cluster on Kubernetes or OpenShift in various deployment configurations. In Strimzi 1.0.0 and earlier, an attacker who can create a Kafka custom resource can set Kafka.spec.entityOperator watchedNamespace to a target namespace, causing the Cluster...

GHSA-MW9R-P8XP-WX96 Strimzi: Cross-namespace privilege escalation via `Kafka.spec.entityOperator`

Impact Having the Topic and User operators to watch different namespaces than the one where the Kafka cluster is deployed, is a fully documented feature. When the watchedNamespace field is used within the Topic or User operator as part of the Kafka.spec.entityOperator field, the Cluster Operator...