VDB

CVE-2026-66878

CVE-2026-66878 PUBLISHED CVSS 7.7 HIGH

Reported by redhat · Published August 12, 2026

A flaw was found in multicloud-operators-subscription. A privileged user, specifically a namespace administrator capable of creating Channel and Subscription resources, can exploit this vulnerability. By manipulating the Channel.Spec.SecretRef.Namespace field, the user can cause the system to copy sensitive Secret contents from other namespaces into their own, leading to information disclosure.

Risk Scores

CVSS 3.1
7.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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 2.131787263693, 1787263693, 1787263693
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.151787240030, 1787240030, 1787240030
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.111787263584, 1787263584
Red HatRed Hat Advanced Cluster Management for Kubernetes 2
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.141787170830, 1787170830
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.161787242321, 1787242321
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.171787242108, 1787242108, 1787242108

Timeline

  • Aug 12, 2026 Coalition ESS Score
  • Aug 12, 2026 CVE Published
  • Aug 14, 2026 CVE Updated
  • Aug 24, 2026 EPSS Score
  • Aug 27, 2026 EPSS Score
  • Sep 3, 2026 EPSS Score
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch
  • Sep 6, 2026 Distribution Patch

References

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