CVE-2025-5187

Nodes can delete themselves by adding an OwnerReference

Published Aug 27, 2025 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

To mitigate this vulnerability, upgrade Kubernetes: https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-25937 Kubernetes Nodes can delete themselves by adding an OwnerReference
Github GHSA Github GHSA GHSA-4x4m-3c2p-qppc Kubernetes Nodes can delete themselves by adding an OwnerReference
History
Type Values Removed Values Added
First Time appeared Kubernetes
Kubernetes kubernetes
Vendors & Products Kubernetes
Kubernetes kubernetes
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Nodes can delete themselves by adding an OwnerReference
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
kubernetes
Published
Updated
Feb 26, 2026, 5:47 PM
Reserved
May 25, 2025, 6:24 PM
Status
Deferred
Published
Aug 27, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:47 AM
Severity
Moderate
Public date
Aug 12, 2025, 4:00 PM