CVE-2025-5187 – Kubernetes NodeRestriction OwnerReference Deletion Vulnerability

The following table lists the changes that have been made to the
CVE-2025-5187 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 27, 2025

    Action Type Old Value New Value
    Added Description A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
    Added CWE CWE-863
    Added Reference https://github.com/kubernetes/kubernetes/issues/133471
    Added Reference https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE
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