CVE-2026-66878

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.111787263584 < *unaffected
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.131787263693 < *unaffected
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.141787170830 < *unaffected
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.151787240030 < *unaffected
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.161787242321 < *unaffected
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.171787242108 < *unaffected

Weaknesses

  • CWE-639: Authorization Bypass Through User-Controlled Key

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References