https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-30T17:55:06.617143+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2025-11776 CVE-2025-11776 — Guest user can discover archived public channels 2026-09-30T17:55:06.619263+00:00

Affected: Mattermost

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