{"id":"CVE-2023-4107","aliases":["GHSA-6xjj-v76v-fwpj"],"url":"https://o3.security/vulnerability/CVE-2023-4107","summary":"Incorrect authorization allows a user manager to update a system admin","details":"Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.\n\n","published":"2023-08-11T06:12:21.977Z","modified":"2026-07-15T01:49:09.061143421Z","cvss":{"score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","fixedVersion":"7.8.8"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","fixedVersion":"7.9.6"},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","fixedVersion":"7.10.4"}],"fix":null,"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4107.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4107"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:09.061143421Z"}}