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CVE PROGRAM SOURCE RECORD6.0 Medium

CVE-2026-6731

X.509 name constraint bypass via Subject CN treated as a DNS name

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

wolfSSL wolfSSL

Default version status: unaffected

  • 3.9.10 to ≤ 5.9.1affected

References