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CVE-2025-61727

6.5 medium SSVC exploitation: none Analyzed

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · golangNVD modified 2026-10-18 17:10

Affected (CPE criteria) 1

  • cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

References 4