[CVE-2026-56020] The Webmin HTTP server (miniserv.pl) allows unauthenticated attackers to impersonate any user with a…

Descripción técnica

The Webmin HTTP server (miniserv.pl) allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.641.

Puntuación CVSS

Score: 8.1/10 — Severidad: HIGH — Estado NIST: Awaiting Analysis

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Debilidades (CWE)

CWE-290

Fuente oficial

Publicado en NIST NVD.