XSS in Mailcow Mailcow-dockerized
CVE-2026-40878
mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the mailcow web interface passes the raw `$_SERVER['REQUEST_URI']` to Twig as a global template variable and renders it inside a Ja…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.030 (86.7th percentile) — read the EPSS interpretation.
Affected products
- Mailcow Mailcow-dockerized — versions < 2026-03b
Weakness classification (CWE)
References
- https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-xv9r-j862-5hqf (x_refsource_CONFIRM)