CVE-2025-5187

Published: Aug 27, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

6.7

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.

Vendor	Product	Versions
Kubernetes	Kubernetes	affected `v1.31.0 - <= v1.31.11` affected `v1.32.0 - <= v1.32.7` affected `v1.33.0 - <= v1.33.3`

Weaknesses (CWE)

CWE-863

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

References

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

issue-tracking

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

mailing-list

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CVE-2025-5187

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References