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9.1 Critical

CVE-2026-10059 A flaw was found in the Multicluster Engine for Kubernetes ClusterCurator controller

Description

A flaw was found in the Multicluster Engine for Kubernetes ClusterCurator controller. A tenant administrator with namespace-scoped privileges can exploit this vulnerability by creating a namespaced ClusterCurator. This action inadvertently grants the tenant administrator the ability to mint a token for a ServiceAccount with cluster-wide administrative authority. This leads to a privilege escalation, allowing the tenant administrator to gain full control over the cluster.

Affected products and versions

Product Affected versions Fixed in
Multicluster Engine for Kubernetes Versions not published
multicluster engine for Kubernetes 2.10 1787201612 earliest → < 1787201612 1787201612
multicluster engine for Kubernetes 2.11 1787238383 earliest → < 1787238383 1787238383
multicluster engine for Kubernetes 2.6 1787264185 earliest → < 1787264185 1787264185
multicluster engine for Kubernetes 2.8 1787259011 earliest → < 1787259011 1787259011
multicluster engine for Kubernetes 2.9 1787201646 earliest → < 1787201646 1787201646
multicluster engine for Kubernetes 2.1 1787201612 earliest → < 1787201612 1787201612
multicluster engine for Kubernetes 2.9.0 1787201646 earliest → < 1787201646 1787201646

References

Timeline

  1. Published
  2. Last modified

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