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VULNERABILITIES

CVE-2026-34584 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35 [email protected]Patch
https://github.com/knadh/listmonk/releases/tag/v6.1.0 [email protected]ProductRelease Notes
https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
nadh listmonk
>= 4.1.0, < 6.1.0

CPE

  • cpe:2.3:a:nadh:listmonk:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-34584
NVD Published Date:
Apr 2, 2026
NVD Last Modified:
Jul 24, 2026
Source:
[email protected]
CVE-2026-34584 Details - Not Deferred