{"id":"CVE-2023-5193","summary":"System Role with manage posts permission can read posts of Direct Messages","details":"Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.\n\n","aliases":["GHSA-h8wh-f7gw-fwpr"],"modified":"2026-09-18T03:45:16.782929271Z","published":"2023-09-29T09:23:47.082Z","database_specific":{"unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"last_affected":"8.0.1"},{"last_affected":"7.8.9"},{"introduced":"8.1.0"},{"last_affected":"8.1.0"}]}],"cna_assigner":"Mattermost","cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5193.json"},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5193.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5193"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"70da7adaff636f074316d05e0b4408f0721eee7b"},{"fixed":"ccceee77061add55f4ff849d5505fdb3e46b30e2"},{"introduced":"48cfe92a04105e63b5fdfc68e3914e0b3910b676"},{"fixed":"48cfe92a04105e63b5fdfc68e3914e0b3910b676"},{"introduced":"096c9ea12a2144f832e330e9a0f4d3862ca20b9f"},{"fixed":"69a5120ae293c9e6e3e1109bc3f02d7b659e60d9"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.0.0"},{"fixed":"7.8.10"},{"introduced":"8.0.0"},{"fixed":"8.0.2"},{"introduced":"8.1.0"},{"fixed":"8.1.1"}],"source":"CPE_RANGE"}}],"versions":["v8.1.1-rc1","v8.1.0-rc2","v8.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5193.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}