CVE-2025-61727 Affecting rootlesskit package, versions <2.3.5-r8


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (5th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CHAINGUARDLATEST-ROOTLESSKIT-14422701
  • published15 Dec 2025
  • disclosed3 Dec 2025

Introduced: 3 Dec 2025

NewCVE-2025-61727  (opens in a new tab)

How to fix?

Upgrade Chainguard rootlesskit to version 2.3.5-r8 or higher.

NVD Description

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

An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.

CVSS Base Scores

version 3.1