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.
SeverityMedium
CVSS6.7
Exploit probability—
ProductK8s.io/kubernetes
PublishedAug 27, 2025
First seenAug 27, 2025
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- k8s.io/kubernetes1.31.12, 1.32.8, 1.33.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| k8s.io/kubernetesGo | v < 1.31.12, 1.32.0-alpha.0 ≤ v < 1.32.8, 1.33.0-alpha.0 ≤ v < 1.33.4 | 1.31.12, 1.32.8, 1.33.4 |
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