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CVE-2026-66878

Multicloud-operators-subscription: multicloud-operators-subscription: fetchchannelreferences honours channel.spec.secretref.namespace enabling cross-namespace secret exfiltration PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.11unaffected 1787263584 before *
Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.13unaffected 1787263693 before *
Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.14unaffected 1787170830 before *
Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.15unaffected 1787240030 before *
Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.16unaffected 1787242321 before *
Red Hat / Red Hat Advanced Cluster Management for Kubernetes 2.17unaffected 1787242108 before *

CWE

CWE-639

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.