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CVE-2026-3112
6.8 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): High (H)
- User Interaction (UI): None (N)
- Scope (S): Changed (C)
- Confidentiality (C): High (H)
- Integrity (I): None (N)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): High (H)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Changed (C)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
Arbitrary File Read via Advanced Logging Support Packet
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to validate Advanced Logging file target paths which allows system administrators to read arbitrary host files via malicious AdvancedLoggingJSON configuration in support packet generation. Mattermost Advisory ID: MMSA-2025-00562
References
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MMSA-2025-00562 vendor-advisory
Affected products
Mattermost
- ==11.3.2
- =<10.11.11
- =<11.2.3
- ==11.5.0
- ==11.2.4
- =<11.3.1
- ==10.11.12
- ==11.4.1
- =<11.4.0
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
pkgs.mattermost-desktop
Mattermost Desktop client
pkgs.python312Packages.mattermostdriver
None
pkgs.python313Packages.mattermostdriver
Python Mattermost Driver
pkgs.python314Packages.mattermostdriver
Python Mattermost Driver
Package maintainers
-
@ryantm Ryan Mulligan <ryan@ryantm.com>
-
@mgdelacroix Miguel de la Cruz <mgdelacroix@gmail.com>
-
@numinit Morgan Jones <me+nixpkgs@numin.it>
-
@liff Olli Helenius <liff@iki.fi>
-
@jokogr Ioannis Koutras <ioannis.koutras@gmail.com>