{"id":"CVE-2023-5160","summary":"Full name disclosure via team top membership with Show Full Name option disabled","details":"Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled\n\n\n","modified":"2026-09-18T03:45:15.818654630Z","published":"2023-10-02T10:46:33.153Z","database_specific":{"cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5160.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"7.8.9"},{"last_affected":"8.1.0"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"Mattermost"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5160.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5160"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"70da7adaff636f074316d05e0b4408f0721eee7b"},{"fixed":"ccceee77061add55f4ff849d5505fdb3e46b30e2"},{"introduced":"48cfe92a04105e63b5fdfc68e3914e0b3910b676"},{"fixed":"69a5120ae293c9e6e3e1109bc3f02d7b659e60d9"}],"database_specific":{"extracted_events":[{"introduced":"7.0.0"},{"fixed":"7.8.10"},{"introduced":"8.0.0"},{"fixed":"8.1.1"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5160.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}