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Untriaged
Permalink CVE-2026-3113
5.0 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): Required (R)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Local (L)
  • 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): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
created 5 months, 3 weeks ago Activity log
  • Created suggestion 5 months, 3 weeks ago
mmctl export download command doesn’t restrict permissions to created file to file owner

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 set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593

References

Affected products

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

Matching in nixpkgs

pkgs.mattermost

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

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pkgs.mattermostLatest

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

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Package maintainers