{"id":"CVE-2022-4044","aliases":["GHSA-5jph-wrq7-v9hf"],"url":"https://o3.security/vulnerability/CVE-2022-4044","summary":"Authenticated user could send multiple requests containing a large Auto Responder Message payload and can crash a Mattermost server","details":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","published":"2022-11-23T05:45:39.948Z","modified":"2026-08-12T03:51:38.387202870Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"7.1.4"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"7.2.1"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","fixedVersion":"7.3.1"}],"fix":null,"references":[{"type":"WEB","url":"https://hackerone.com/reports/1680241"},{"type":"WEB","url":"https://mattermost.com/security-updates/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4044.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4044"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:38.387202870Z"}}