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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2026-2463

Unauthorized access to invite ID during team creation

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Status
Published
Published
Updated
Assigning organization
Mattermost

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mattermost Mattermost

Default version status: unaffected

  • 11.3.0 to ≤ 11.3.0affected
  • 11.2.0 to ≤ 11.2.2affected
  • 10.11.0 to ≤ 10.11.10affected
  • 11.4.0unaffected
  • 11.3.1unaffected
  • 11.2.3unaffected
  • 10.11.11unaffected

References