{"id":"CVE-2023-2791","aliases":["EUVD-2023-34247","GHSA-m9m2-f9hg-rh66"],"status":"published","title":"Playbooks lets you edit arbitrary posts","description":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00402,"percentile":0.34774,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-06-16T08:59:16Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"mattermost","product":"mattermost"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2791","tags":["advisory"]},{"url":"https://mattermost.com/security-updates"},{"url":"https://github.com/advisories/GHSA-m9m2-f9hg-rh66"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2791.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-2791","title":"Playbooks lets you edit arbitrary posts","description":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.\n\n","status":"published","published":"2023-06-16T08:59:16.854Z","modified":"2024-12-06T23:00:39.136Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:24.004321Z"}],"euvd":[{"id":"EUVD-2023-34247","description":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.\n\n","status":"published","published":"2023-06-16T08:59:16Z","modified":"2024-12-06T23:00:39Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:38.652605Z"}],"ghsa":[{"id":"GHSA-m9m2-f9hg-rh66","title":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters,...","description":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.\n\n","status":"published","published":"2023-06-16T09:30:24Z","modified":"2024-04-04T04:54:31Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:56:27.816836Z"}],"nvd":[{"id":"CVE-2023-2791","description":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.\n\n","status":"published","published":"2023-06-16T09:15:10.06Z","modified":"2026-06-17T05:53:27.023Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:08:06.335469Z"}],"osv":[{"id":"CVE-2023-2791","title":"Playbooks lets you edit arbitrary posts","description":"When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.\n\n","status":"published","published":"2023-06-16T08:59:16.854Z","modified":"2026-10-28T02:30:30.343452479Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:44:31.135751Z"}]}}