{"id":"CVE-2025-24526","aliases":["GHSA-q8p2-2hwc-jw64","GO-2025-3481"],"url":"https://o3.security/vulnerability/CVE-2025-24526","summary":"Channel export permitted on archived channel when viewing archived channels is disabled","details":"Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the \"Allow users to view archived channels\" is disabled which allows a user to export channel contents when they shouldn't have access to it","published":"2025-02-24T07:23:23.331Z","modified":"2026-08-12T03:51:32.356516702Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"8.0.0-20250110161910-96195f1bd746"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"9.11.8"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"10.2.3"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"10.3.3"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","fixedVersion":"10.4.2"}],"fix":{"url":"https://github.com/mattermost/mattermost-plugin-channel-export/commit/3c052b66207fb734bfc4c948941e7f7522a82550","label":"mattermost/mattermost-plugin-channel-export@3c052b6"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24526.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24526"},{"type":"WEB","url":"https://github.com/mattermost/mattermost-plugin-channel-export/issues/51"},{"type":"WEB","url":"https://github.com/mattermost/mattermost-plugin-channel-export/commit/3c052b66207fb734bfc4c948941e7f7522a82550"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/96195f1bd7467f572525c35b5087acaeb53daa63"},{"type":"PACKAGE","url":"https://github.com/mattermost/mattermost"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:32.356516702Z"}}