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CVE Vulnerability Details :
CVE-2026-34584
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-02 Apr, 2026 | 17:31
Updated At-02 Apr, 2026 | 19:09
Rejected At-
▼CVE Numbering Authority (CNA)
listmonk: Broken Access Control in CSV Import (Unauthorized List Assignment)

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 Products
Vendor
knadh
Product
listmonk
Versions
Affected
  • >= 4.1.0, < 6.1.0
Problem Types
TypeCWE IDDescription
CWECWE-639CWE-639: Authorization Bypass Through User-Controlled Key
Type: CWE
CWE ID: CWE-639
Description: CWE-639: Authorization Bypass Through User-Controlled Key
Metrics
VersionBase scoreBase severityVector
3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv
x_refsource_CONFIRM
https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35
x_refsource_MISC
https://github.com/knadh/listmonk/releases/tag/v6.1.0
x_refsource_MISC
Hyperlink: https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/knadh/listmonk/commit/347f5976759232c36e571cf58b4bfe33c2794f35
Resource:
x_refsource_MISC
Hyperlink: https://github.com/knadh/listmonk/releases/tag/v6.1.0
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found