VULNERABILITY INTELLIGENCE

CVE-2026-34584

CVSS score5.4 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-04-02
Last modified2026-07-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-639

Primary references