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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2025-11776

Guest user can discover archived public channels

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Status
Published
Published
Updated
Assigning organization
Mattermost

Description

Mattermost versions <11 fail to properly restrict access to archived channel search API which allows guest users to discover archived public channels via the `/api/v4/teams/{team_id}/channels/search_archived` endpoint

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 to ≤ <11affected
  • 11.0.0unaffected

References