CVE-2026-66783 — Submariner-operator: release workflow consumes same-org composite action via mutable @devel branch ref
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 wit…
Published: 2026-08-18 · CVSS: 4.4 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7