Skip to content
CVE PROGRAM SOURCE RECORD4.4 Medium

CVE-2026-66783

Submariner-operator: release workflow consumes same-org composite action via mutable @devel branch ref

Description

A flaw was found in the `submariner-operator` component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability allows a cluster administrator, or any user with permissions to modify the Submariner Custom Resource (CR), to specify an unvalidated image path. This lack of validation enables an attacker to execute arbitrary code with elevated privileges across the entire cluster, including control-plane nodes, by deploying a malicious image.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670243 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16

Default version status: affected

  • 1790670912 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788105072 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17

Default version status: affected

  • 1788073481 to < *unaffected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2

Default version status: affected

Red Hat Red Hat Advanced Cluster Management for Kubernetes 2

Default version status: affected

References