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Details of issue NIXPKGS-2026-0262

NIXPKGS-2026-0262
published 4 months ago
Permalink CVE-2026-1046
7.6 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): High (H)
  • Integrity (I): None (N)
  • Availability (A): Low (L)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): Low (L)
updated 4 months ago by @LeSuisse Activity log
  • Created suggestion 4 months ago
  • @LeSuisse ignored
    4 packages
    • mattermost-desktop
    • python312Packages.mattermostdriver
    • python313Packages.mattermostdriver
    • python314Packages.mattermostdriver
    4 months ago
  • @LeSuisse deleted
    5 maintainers
    • @fsagbuya
    • @Kranzes
    • @numinit
    • @mgdelacroix
    • @ryantm
    4 months ago maintainer.delete
  • @LeSuisse accepted 4 months ago
  • @LeSuisse published on GitHub 4 months ago
Arbitrary application execution via unvalidated server-controlled URLs in Help menu

Mattermost Desktop App versions <=6.0 6.2.0 5.2.13.0 fail to validate help links which allows a malicious Mattermost server to execute arbitrary executables on a user’s system via the user clicking on certain items in the Help menu Mattermost Advisory ID: MMSA-2026-00577

References

Affected products

Mattermost
  • =<5.2.13
  • ==5.13.3.0
  • ==6.0.3.0
  • ==6.1.0
  • =<6.2.0

Matching in nixpkgs

pkgs.mattermost

Open source platform for secure collaboration across the entire software development lifecycle

pkgs.mattermostLatest

Open source platform for secure collaboration across the entire software development lifecycle

Ignored packages (4)

Package maintainers

Ignored maintainers (3) 
Fixed in:
* Unstable: https://github.com/NixOS/nixpkgs/pull/480349 / https://github.com/NixOS/nixpkgs/pull/478724
* 25.11: https://github.com/NixOS/nixpkgs/pull/480574 / https://github.com/NixOS/nixpkgs/pull/479561