CVE-2026-34584

Published April 2nd, 2026

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CVSS v3

5.4

MEDIUM

CVSS v2

N/A

Affected

PROJECT

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.

knadh/listmonk

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

GitHub

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