VDB

CVE-2026-67567

CVE-2026-67567 PUBLISHED CVSS 9.9 CRITICAL

Reported by redhat · Published August 20, 2026

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a tenant, who has the ability to create HelmRelease custom resources (CRs), to bypass existing security controls. The system's HelmRelease controller processes Helm chart templates using its own elevated ServiceAccount privileges without proper validation. This enables the tenant to deploy arbitrary resources across the entire cluster, leading to a significant security compromise.

Risk Scores

CVSS 3.1
9.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products

VendorProductVersions
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.111787263584
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.131787263693
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.141787170830
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.151787240030
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.161787242321
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.171787242108
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.141787170830
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.131787263693
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.111787263584
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.151787240030
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.171787242108
Red HatRed Hat Advanced Cluster Management for Kubernetes 2
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.161787242321

Timeline

  • Aug 20, 2026 CVE Published
  • Aug 21, 2026 Coalition ESS Score
  • Aug 24, 2026 EPSS Score
  • Aug 25, 2026 EPSS Score
  • Aug 26, 2026 Security Advisory
  • Aug 27, 2026 EPSS Score
  • Aug 31, 2026 EPSS Score
  • Sep 3, 2026 EPSS Score
  • Sep 6, 2026 EPSS Score
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch

References

Open in Interactive Console →
$ Console Community · 50/day Open console ›