{"id":"CVE-2025-22449","summary":"Access control flaw for team admins allows unauthorized team additions","details":"Mattermost versions 9.11.x \u003c= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the \"allow_open_invite\" field via making their team public.","aliases":["GHSA-q8fg-cp3q-5jwm","GO-2025-3377"],"modified":"2026-05-18T05:58:04.825546125Z","published":"2025-01-09T06:54:53.029Z","related":["CGA-78cp-j4f3-8xm3","SUSE-SU-2025:0297-1","openSUSE-SU-2025:14644-1"],"database_specific":{"cwe_ids":["CWE-863"],"cna_assigner":"Mattermost","unresolved_ranges":[{"extracted_events":[{"introduced":"9.11.0"},{"last_affected":"9.11.5"}],"source":"AFFECTED_FIELD"}],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22449.json"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22449.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-22449"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"51ac054df0cf662ef3fa4657df4e058a33687135"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"9.11.0"},{"fixed":"9.11.6"}],"source":"CPE_FIELD"}}],"versions":["v9.11.6-rc2","v9.11.6-rc1","v9.11.5","v9.11.5-rc1","v9.11.4","v9.11.4-rc1","v9.11.3","v9.11.3-rc2","v9.11.3-rc1","v9.11.2","v9.11.2-rc2","v9.11.2-rc1","v9.11.1-rc1","v9.11.1","v9.11.0-rc3","v9.11.0","@mattermost/types@9.11.0","@mattermost/client@9.11.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-22449.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N"}]}