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CVE-2026-1629
4.3 MEDIUM
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): LOW
- Privileges required (PR): LOW
- User interaction (UI): NONE
- Scope (S): UNCHANGED
- Confidentiality impact (C): LOW
- Integrity impact (I): NONE
- Availability impact (A): NONE
Permalink Preview Information Disclosure After Permission Revocation
Mattermost versions 10.11.x <= 10.11.10 Fail to invalidate cached permalink preview data when a user loses channel access which allows the user to continue viewing private channel content via previously cached permalink previews until cache reset or relogin.. Mattermost Advisory ID: MMSA-2026-00580
References
- MMSA-2026-00580 vendor-advisory
Affected products
Mattermost
- =<10.11.10
- ==10.11.11
- ==11.4.0
Matching in nixpkgs
pkgs.mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle
pkgs.mattermostLatest
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle
pkgs.mattermost-desktop
Mattermost Desktop client
pkgs.python312Packages.mattermostdriver
Python Mattermost Driver
pkgs.python313Packages.mattermostdriver
Python Mattermost Driver
pkgs.python314Packages.mattermostdriver
Python Mattermost Driver
Package maintainers
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@fsagbuya Florian Agbuya <fa@m-labs.ph>
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@Kranzes Ilan Joselevich <personal@ilanjoselevich.com>
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@ryantm Ryan Mulligan <ryan@ryantm.com>
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@numinit Morgan Jones <me+nixpkgs@numin.it>
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@mgdelacroix Miguel de la Cruz <mgdelacroix@gmail.com>
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@liff Olli Helenius <liff@iki.fi>
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@jokogr Ioannis Koutras <ioannis.koutras@gmail.com>
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@globin Robin Gloster <mail@glob.in>