Security Advisory
CVE-2025-61727
6.5
MEDIUM
Vulnerability Description
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.
Published Date
December 3, 2025
Official Source
NIST NVD Advisory