CVE-2025-5187

medium

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

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

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

Details

Source: Mitre, NVD

Published: 2025-08-27

Updated: 2025-08-29

Risk Information

CVSS v2

Base Score: 8

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:P

Severity: High

CVSS v3

Base Score: 6.7

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

Severity: Medium

EPSS

EPSS: 0.00016