CVE-2026-9648 – CVE-2026-9648

CVE ID :CVE-2026-9648

Published : June 11, 2026, 4:16 p.m. | 1 hour, 3 minutes ago

Description :The crypton-x509-validation Haskell library fails to enforce X.509 NameConstraints, allowing TLS clients to accept certificates whose Subject Alternative Names fall outside the issuing CA’s permitted subtrees. This oversight enables an attacker who compromises a name-constrained sub-CA to impersonate domains beyond its intended scope.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…