CVE-2026-45389

State
Published
Severity
7.4 High
Published
Jun 15, 2026
Updated
Jun 17, 2026
Reserved
May 12, 2026

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.17.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NCISA-ADP

Weaknesses

  • CWE-295 Improper Certificate Validation

Affected Products

ProductVersions
n/an/a
  • n/aAffected

References

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