CVE-2025-43919

GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.

GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.

GNU Mailman 2.1.39, tal como se incluye en cPanel (y WHM), permite a atacantes no autenticados leer archivos arbitrarios a través de directory traversal ../ en /mailman/private/mailman (también conocido como el endpoint de autenticación de archivo privado) mediante el parámetro de nombre de usuario.