{"id":"CVE-2025-11776","details":"Mattermost versions \u003c11 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","aliases":["GHSA-j6gg-r5jc-47cm","GO-2025-4126"],"modified":"2026-03-12T17:35:17.551427Z","published":"2025-11-14T08:15:43.753Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"11.0.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11776.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}