GHSA-xp42-v53j-r9ghHighCVSS 7.1
A flaw was found in the clusterclaims-controller component of Multicluster Engine (MCE). An...
🔗 CVE IDs covered (1)
📋 Description
A flaw was found in the clusterclaims-controller component of Multicluster Engine (MCE). An authenticated tenant can exploit this vulnerability by manipulating ClusterClaim labels. This allows the tenant to force a cluster to join a ManagedClusterSet belonging to another tenant. Such unauthorized access could enable the injection of policies and workloads into other tenants' clusters.
🔗 References (10)
- https://nvd.nist.gov/vuln/detail/CVE-2026-73266
- https://access.redhat.com/security/cve/CVE-2026-73266
- https://bugzilla.redhat.com/show_bug.cgi?id=2514217
- https://access.redhat.com/errata/RHSA-2026:59556
- https://access.redhat.com/errata/RHSA-2026:59593
- https://access.redhat.com/errata/RHSA-2026:59557
- https://access.redhat.com/errata/RHSA-2026:59558
- https://access.redhat.com/errata/RHSA-2026:59559
- https://access.redhat.com/errata/RHSA-2026:59579
- https://github.com/advisories/GHSA-xp42-v53j-r9gh