listmonk is a standalone, self-hosted, newsletter and mailing list manager. From version 4.1.0 to before version 6.1.0, bugs in list permission checks allows users in a multi-user environment to access to lists (which they don't have access to) under different scenarios. This only affects multi-user environments with untrusted users. This issue has been patched in version 6.1.0.

Project Subscriptions

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Fixes

Solution

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Workaround

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History

Thu, 02 Apr 2026 20:30:00 +0000

Type Values Removed Values Added
Description listmonk is a standalone, self-hosted, newsletter and mailing list manager. From version 4.1.0 to before version 6.1.0, bugs in list permission checks allows users in a multi-user environment to access to lists (which they don't have access to) under different scenarios. This only affects multi-user environments with untrusted users. This issue has been patched in version 6.1.0.
Title listmonk: Broken Access Control in CSV Import (Unauthorized List Assignment)
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

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


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-02T19:09:02.060Z

Reserved: 2026-03-30T16:56:30.999Z

Link: CVE-2026-34584

cve-icon Vulnrichment

Updated: 2026-04-02T19:08:57.370Z

cve-icon NVD

Status : Received

Published: 2026-04-02T18:16:30.510

Modified: 2026-04-02T18:16:30.510

Link: CVE-2026-34584

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses