Description
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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.11 | — | — |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.13 | — | — |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.14 | — | — |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.15 | — | — |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.16 | — | — |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.17 | — | — |
References
- RHSA-2026:60386 vendor-advisory
- RHSA-2026:60387 vendor-advisory
- RHSA-2026:60388 vendor-advisory
- RHSA-2026:60389 vendor-advisory
- RHSA-2026:60390 vendor-advisory
- RHSA-2026:60391 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-66878 vdb-entry
- RHBZ#2514226 issue-tracking