Nodes can delete themselves by adding an OwnerReference_CVE-2025-5187

6.7 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-5187

Source kubernetes

Published Aug 27, 2025 at 16:20

Modified Aug 27, 2025 at 17:39

Affected Product

Vendor Kubernetes

Product Kubernetes

Version v1.31.0

Affected Versions Kubernetes Kubernetes v1.31.0
Kubernetes Kubernetes v1.32.0
Kubernetes Kubernetes v1.33.0

CWE Classification

CWE-863

References

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    "published": "2025-08-27T16:20:56.778Z",
    "modified": "2025-08-27T17:39:11.301Z",
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