Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/kubernetes/kubernetes/issues/133471
- https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE
FAQ
What is CVE-2025-5187?
CVE-2025-5187 is a vulnerability with a CVSS score of 6.7 (MEDIUM). 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...
How severe is CVE-2025-5187?
CVE-2025-5187 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-5187?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.