CVE-2025-5187

Published: Aug 27, 2025Modified: Aug 29, 2025

6.7

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Exploitability: 1.2 / Impact: 5.5

Source: jordan@liggitt.net (Secondary)

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.

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (2)

https://github.com/kubernetes/kubernetes/issues/133471

Source: jordan@liggitt.net

https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE

Source: jordan@liggitt.net

Timeline

No history available yet.