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Security Advisories

CVE-2025-5187

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-5187

Severity

6.7

Medium

CVSS V3

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Summary

Nodes can delete themselves by adding an OwnerReference

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.

References

Affected packages

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