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Untriaged
Permalink 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)
created 5 months, 3 weeks ago 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

Affected products

Mattermost
  • ==11.3.2
  • =<11.2.3
  • =<11.4.0
  • ==11.5.0
  • =<11.3.1
  • ==10.11.12
  • ==11.4.1
  • ==11.2.4
  • =<10.11.11

Matching in nixpkgs

pkgs.mattermost

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

  • nixos-unstable -
  • nixos-26.05 -

pkgs.mattermostLatest

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

  • nixos-unstable -
  • nixos-26.05 -

Package maintainers