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Untriaged
Permalink CVE-2026-2463
4.3 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
created 2 months, 1 week ago Activity log
  • Created suggestion 2 months, 1 week ago
Unauthorized access to invite ID during team creation

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to filter invite IDs based on user permissions, which allows regular users to bypass access control restrictions and register unauthorized accounts via leaked invite IDs during team creation.. Mattermost Advisory ID: MMSA-2025-00565

References

Affected products

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

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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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