How severe is CVE-2025-5187?

CVE-2025-5187 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2025-5187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-5187?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-5187 have an EU (EUVD) identifier?

Yes. CVE-2025-5187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25937.

When was CVE-2025-5187 published?

CVE-2025-5187 was published on 2025-08-27 and last updated on 2026-06-17.

CVE-2025-5187

CVE-2025-5187 is a medium-severity vulnerability with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25937
Weakness: CWE-863
Published: 2025-08-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2025-5187?: CVE-2025-5187 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2025-5187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-5187?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5187 have an EU (EUVD) identifier?: Yes. CVE-2025-5187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25937.
When was CVE-2025-5187 published?: CVE-2025-5187 was published on 2025-08-27 and last updated on 2026-06-17.

References

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