cve-2026-6731

MEDIUM CVSS 6.0 cvelistv5

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.

Timeline

Published: 2026-06-25 20:08 UTC
Last Modified: 2026-06-26

CVSS Details

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW

Affected Products

wolfSSL wolfSSL

Weaknesses (CWE)

CWE-295

SSVC (CISA Stakeholder-Specific Vulnerability Categorization) CISA Coordinator v2.0.3

Exploitation: none
Automatable: no
Technical Impact: partial
Decision timestamp: 2026-06-26T13:14:35.217186Z

What is SSVC? — CISA's vulnerability-prioritisation framework using a decision tree rather than a single score.

References

Linked Vulnerabilities

No linked vulnerabilities found.

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cve-2026-6731

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