CVE-2026-73267

A flaw was found in the clusterclaims-controller component of multicluster engine MCE. A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the spec.namespace field. This allows the tenant to specify and delete any ManagedCluster, includi...

EUVD-2026-63800

A flaw was found in the clusterclaims-controller component of multicluster engine MCE. A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the spec.namespace field. This allows the tenant to specify and delete any ManagedCluster, includi...

CVE-2026-73267 Clusterclaims-controller: clusterclaims-controller: managedcluster deletion keyed solely on clusterclaim.spec.namespace with no ownership check

A flaw was found in the clusterclaims-controller component of multicluster engine MCE. A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the spec.namespace field. This allows the tenant to specify and delete any ManagedCluster, includi...

CVE-2026-73267 Clusterclaims-controller: managedcluster deletion keyed solely on clusterclaim.spec.namespace with no local ownership check

A flaw was found in the clusterclaims-controller component of multicluster engine MCE. A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the spec.namespace field. This allows the tenant to specify and delete any ManagedCluster, includi...

CVE-2026-73267

In Red Hat's multicluster engine, the clusterclaims-controller deletes ManagedClusters based solely on clusterclaim.spec.namespace without verifying ownership. Any tenant with standard ClusterClaim permissions can delete any cluster, including the hub's local-cluster, causing a HIGH-severity (7.7...

CVE-2026-73267

A flaw was found in the clusterclaims-controller component of multicluster engine MCE. A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the spec.namespace field. This allows the tenant to specify and delete any ManagedCluster, includi...

CVE-2026-73266

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...

CVE-2026-73266

CVE-2026-73266 affects the clusterclaims-controller component of Multicluster Engine (MCE). An authenticated tenant can manipulate ClusterClaim labels to force a cluster to join a ManagedClusterSet owned by another tenant, enabling cross-tenant access and the potential injection of policies and w...

CVE-2026-73266 Clusterclaims-controller: confused deputy: tenant-controlled clusterclaim labels propagated to managedcluster, enabling cross-tenant managedclusterset join

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...

CVE-2026-73266 Clusterclaims-controller: clusterclaims-controller: tenant-controlled clusterclaim labels propagated to managedcluster enabling cross-tenant managedclusterset join

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...

EUVD-2026-58132

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...

CVE-2026-73266

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...

PT-2026-71706

Name of the Vulnerable Software and Affected Versions Multicluster Engine affected versions not specified Description A flaw in the clusterclaims-controller component allows an authenticated tenant to manipulate ClusterClaim labels. This manipulation enables a tenant to force a cluster to join a...