Security Advisory

CVE-2026-73266

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-13 16:36:45

Last updated 2026-08-13 16:36:45

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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