Vulnerabilities

Vulnerability · CVE-2025-5187

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

Published Aug 11, 2025 · catalog updated Feb 26, 2026 · Kubernetes Kubernetes

Check if you run it

No confirmed exploitation is on record for CVE-2025-5187. EPSS is 0.57%. Act only if a listed version of Kubernetes Kubernetes is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.57%
Remediation
Advisory link
Affected products
vendor Kubernetes Kubernetes v1.33.0 ≤v1.33.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Kubernetes Kubernetes v1.33.0 ≤v1.33.3v1.33.0 ≤v1.33.3

How to fix CVE-2025-5187

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-5187. EPSS is 0.57%. Act only if a listed version of Kubernetes Kubernetes is installed.

Which versions are affected?

Compare what you have installed with Kubernetes Kubernetes v1.33.0 ≤v1.33.3 v1.33.0 ≤v1.33.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.57%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 11, 2025 · Kubernetes Security

    Detected

    Nodes can delete themselves by adding an OwnerReference

  2. Feb 26, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-5187

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-5187

    30-day exploitation probability 0.57%

    first.org
  • EUVDVulnerability recordEUVD-2025-25937

    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 su

    euvd.enisa.europa.eu
  • Kubernetes SecurityVendor advisoryCVE-2025-5187

    Nodes can delete themselves by adding an OwnerReference

    github.com

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

CVE-2025-5187: A vulnerability exists in the NodeRestriction admiss… · ZeroDay Findings