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CVE-2026-34584
5.4 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): Low (L)
- Integrity (I): Low (L)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): Low (L)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): Low (L)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
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.
References
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https://github.com/knadh/listmonk/security/advisories/GHSA-85j8-5c6w-gcpv x_refsource_CONFIRM
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https://github.com/knadh/listmonk/releases/tag/v6.1.0 x_refsource_MISC
Affected products
listmonk
- ==>= 4.1.0, < 6.1.0
Package maintainers
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@RaitoBezarius Ryan Lahfa <ryan@lahfa.xyz>