CVE-2025-5187 Affecting emissary package, versions <3.10.0-r9


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-EMISSARY-12487983
  • published4 Sept 2025
  • disclosed27 Aug 2025

Introduced: 27 Aug 2025

CVE-2025-5187  (opens in a new tab)

How to fix?

Upgrade Chainguard emissary to version 3.10.0-r9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream emissary package and not the emissary package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

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 Base Scores

version 3.1