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CVE-2025-5187
Nodes can delete themselves by adding an OwnerReference
Medium6.7EPSS 0.57%
- Published
- Updated
- Reserved
- Assigned by
- kubernetes
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| kubernetesCNA (assigner) | 3.1 | Medium6.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L |
| NVDNVD · Deferred | 3.1 | Medium6.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L |
- EPSS (exploitation in 30 days)
- 0.57% · top 52% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.
Weakness
Affected products
- affected v1.31.0 – ≤ v1.31.11
- affected v1.32.0 – ≤ v1.32.7
- affected v1.33.0 – ≤ v1.33.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gok8s.io/kubernetesGHSA-4x4m-3c2p-qppc (opens in a new tab)
What to do
Solution: To mitigate this vulnerability, upgrade Kubernetes: https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-4x4m-3c2p-qppc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-5187)Record last updated .