Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-6731

X.509 name constraint bypass via the Subject Common Name when treated as a DNS-type name. A certificate whose Subject CN violates an issuing CA's DNS name constraints could be accepted.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.5%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-6731


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