CVE-2026-55225 is a privilege escalation vulnerability in the Strimzi cluster-operator related to the Kafka custom resource field Kafka.spec.entityOperator.watchedNamespace. An attacker who can create or modify a Kafka custom resource in a namespace they control can abuse this field to influence the Cluster Operator into creating permissions for the entity operator ServiceAccount in a different namespace. This can result in cross-namespace access beyond the attacker's intended administrative boundary. The flaw effectively allows the operator-managed entity operator to be granted access to Secrets in another namespace, creating an authorization boundary violation across Kubernetes namespaces.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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Cross-references every affected SKU, including bundled OEM variants.
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