Medium [CVE-2026-71846] ClusterRole grants cluster-wide secrets get/list/watch beyond least privilege
This medium-severity Red Hat Linux advisory covers CVE-2026-71846 affecting Red Hat Advanced Cluster Management for Kubernetes 2.
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
A flaw was found in insights-client. The component's ServiceAccount is bound to a ClusterRole granting cluster-wide secrets get, list, and watch permissions, while the code only requires access to a single specific Secret.
This is a Moderate flaw in Red Hat Advanced Cluster Management for Kubernetes. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
Weakness: CWE-250. Red Hat does not currently list a fixing RHSA for this CVE.
Affected product named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Restrict the insights-client ClusterRole to the minimum required permissions. Replace the cluster-wide secrets get/list/watch with a namespaced Role granting get access only to the specific Secret openshift-config/pull-secret in the openshift-config namespace.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.