CVE-2025-5187

Aliases:GHSA-4x4m-3c2p-qppcGO-2025-3915
Advisory lineage Upstream: 0 Downstream: 3
Deferred
Published: 27 Aug 2025, 16:20
Last modified:26 Feb 2026, 17:47

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.7 MEDIUM
v3.1 (cve.org)
EPSS Score
0.04% LOW
0% probability +0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Aug 2025, 16:20
Published
Vulnerability first disclosed
26 Feb 2026, 17:47
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

EPSS Trends

Current EPSS score: 0.04%• Percentile: 13%

Techniques & Countermeasures

  • CWE-863•Incorrect Authorization

    The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Affected Systems

  • k8s.io•kubernetes

    < 1.31.12 | ≥ 1.32.0-alpha.0, < 1.32.8 | ≥ 1.33.0-alpha.0, < 1.33.4

  • kubernetes•kubernetes

    ≥ v1.31.0, ≤ v1.31.11 | ≥ v1.32.0, ≤ v1.32.7 | ≥ v1.33.0, ≤ v1.33.3

References (6)