VULNERABILITY INTELLIGENCE

CVE-2026-6731

CVSS score7.5 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-06-25
Last modified2026-06-27
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • facts@wolfssl.com: CWE-295

Primary references