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Untriaged
Permalink CVE-2026-24692
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
created 1 month ago
Guest users can bypass read permissions via search API

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly enforce read permissions in search API endpoints which allows guest users without read permissions to access posts and files in channels via search API requests. Mattermost Advisory ID: MMSA-2025-00554

References

Affected products

Mattermost
  • ==11.2.3
  • ==10.11.11
  • =<11.3.0
  • ==11.3.1
  • =<10.11.10
  • ==11.4.0
  • =<11.2.2

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pkgs.mattermostLatest

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle

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