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.
History

Thu, 17 Jul 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 17 Jul 2025 14:00:00 +0000

Type Values Removed Values Added
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.
Title mailcow: dockerized vulnerable to SSTI in Quota and Quarantine Notification Template
Weaknesses CWE-1336
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-07-17T13:47:26.179Z

Updated: 2025-07-17T19:54:59.975Z

Reserved: 2025-07-11T19:05:23.827Z

Link: CVE-2025-53909

cve-icon Vulnrichment

Updated: 2025-07-17T19:54:55.624Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-17T14:15:32.213

Modified: 2025-07-17T21:15:50.197

Link: CVE-2025-53909

cve-icon Redhat

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