CVE-2026-55225

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 Operator to create a Role with full Secret CRUD permissions there and bind it to the Entity Operator ServiceAccount in the attacker's namespace. The attacker can mint a token for that ServiceAccount and read or write Secrets in any target namespace where the Cluster Operator has been granted permissions, regardless of STRIMZI_NAMESPACE. This issue is fixed in versions 1.0.1 and 1.1.0.

• CWE-269
• CWE-441
• CWE-250

• https://github.com/strimzi/strimzi-kafka-operator/commit/b3bfeffcc30754c3e62e6f4afd8a76942cac440d
• https://github.com/strimzi/strimzi-kafka-operator/commit/f6c5207ba7ec89b46ce6720b8638d647e556a261
• https://github.com/strimzi/strimzi-kafka-operator/pull/12844
• https://github.com/strimzi/strimzi-kafka-operator/releases/tag/1.0.1
• https://github.com/strimzi/strimzi-kafka-operator/releases/tag/1.1.0
• https://github.com/strimzi/strimzi-kafka-operator/security/advisories/GHSA-mw9r-p8xp-wx96
• https://access.redhat.com/errata/RHSA-2026:54435
• https://access.redhat.com/security/cve/CVE-2026-55225
• https://bugzilla.redhat.com/show_bug.cgi?id=2490275
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-55225.json

Published

Sep 15, 2026

Last Modified

Sep 16, 2026

Status

Received

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