{"id":"CVE-2022-4019","aliases":["EUVD-2022-51398","GHSA-hqqj-g6mv-rw46"],"status":"published","title":"Authenticated user could send multiple requests containing a large payload to a Playbooks API and can crash a Mattermost server","description":"A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00789,"percentile":0.56577,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2022-11-23T05:32:15Z","modified":"2026-06-17T05:19:46Z","products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"playbooks plugin"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://hackerone.com/reports/1685979","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4019"},{"url":"https://github.com/advisories/GHSA-hqqj-g6mv-rw46"}],"sources":{"cve":[{"id":"CVE-2022-4019","title":"Authenticated user could send multiple requests containing a large payload to a Playbooks API and can crash a Mattermost server","description":"A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.\n","status":"published","published":"2022-11-23T05:32:15.495Z","modified":"2024-12-06T23:07:36.133Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:34:37.932195Z"}],"euvd":[{"id":"EUVD-2022-51398","description":"A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.\n","status":"published","published":"2022-11-23T05:32:15Z","modified":"2024-12-06T23:07:36Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:04:38.652605Z"}],"ghsa":[{"id":"GHSA-hqqj-g6mv-rw46","title":"A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user...","description":"A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.","status":"published","published":"2022-11-23T06:30:24Z","modified":"2023-01-29T05:06:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:46:03.455343Z"}],"nvd":[{"id":"CVE-2022-4019","description":"A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.\n","status":"published","published":"2022-11-23T06:15:09.223Z","modified":"2026-06-17T05:19:46.54Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:07:32.827264Z"}]}}