๐Ÿ›ก๏ธ CVE-2025-53909
๐Ÿ”ด CVSS 9.1 โ€” Critical โœ… No Known Exploit CWE-1336 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

mailcow: dockerized is an open source groupware/email suite based on docker. A Server-Side Template Injection (SSTI) vulnerability exists in versions prior to 2025-07 in the notification template system used by mailcow for sending quota and quarantine alerts. The template rendering engine allows template expressions that may be abused to execute code in certain contexts. The issue requires admin-level access to mailcow UI to configure templates, which are automatically rendered during normal system operation. Version 2025-07 contains a patch for the issue.

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE CWE-1336
Public Exploit โœ… No
Source NVD
Published 2025-07-17
Updated 2026-06-02
Modified 2025-09-11

Affected Packages

Software From version Fixed in
mailcow\ โ€” 2025-07

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