CVEvulnerability

CVE-2026-45388

9.1 CRITICAL Published 2026-06-15 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2026-06-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-295

Description

In OCaml-TLS before 2.1.0, the client implementation does insufficient checks of the certificate provided by the server, which allows impersonation with certificates that are not meant for server authentication (because of KeyUsage and ExtendedKeyUsage).

Related

Weakness · CWE (1)

  • CWE-295 Improper Certificate Validation weakness

References