CVE-2026-73266
HIGH7.1CVSS v3
—CVSS v2
0.16%
EPSS (exploit probability)
CWE-441CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.