AUGUST 17, 2026
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Case File

CVE-2026-45388

CRITICAL · CVSS 9.1 EPSS 0.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-06-15 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.

CVE
CVE-2026-45388
Severity
CRITICAL
CVSS
9.1
EPSS
0.22%

Original NVD 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).