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

🗓️ 13 Aug 2026 16:36:45Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Authenticated tenant manipulates ClusterClaim labels to force cross-tenant ManagedClusterSet joins in Multicluster Engine.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-73266
13 Aug 202616:36
cve
euvd
EUVD
EUVD-2026-58132
13 Aug 202616:36
euvd
nvd
NVD
CVE-2026-73266
13 Aug 202617:17
nvd
redhatcve
RedhatCVE
CVE-2026-73266
13 Aug 202616:36
redhatcve
[
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/clusterclaims-controller-rhel9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  }
]

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