CVE-2024-56529

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Mailcow through 2024-11b has a session fixation vulnerability in the web panel. It allows remote attackers to set a session identifier when HSTS is disabled on a victim's browser. After a user logs in, they are authenticated and the session identifier is valid. Then, a remote attacker can access the victim's web panel with the same session identifier.

Published 2025-01-28. Last modified 2026-06-17.