CVEvulnerability
CVE-2026-34584
5.4 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-02
- Last modified
- 2026-07-24
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-639
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.
Affected configurations
• nadh listmonk (>= 4.1.0 < 6.1.0)
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35 Patch
- https://github.com/knadh/listmonk/releases/tag/v6.1.0 Product, Release Notes
- https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv Patch, Vendor Advisory