{"id":"CVE-2019-20889","details":"An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It mishandles permissions for user-access token creation.","modified":"2026-08-27T08:15:30.719068Z","published":"2020-06-19T17:15:14.020Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"9301e575c880970dc5642605adcc37903d176227"},{"fixed":"877b004e0a3fe0b9e6c12f4084d42e4df08ecc33"},{"introduced":"826252252404c13bf564a8c4fd51616fc2cc4df9"},{"fixed":"dafe9bc2270422116468ac5029e336d9f417ca76"},{"introduced":"0c1207215852a8726c3f09dea157d597fec368df"},{"fixed":"eb65ce62243dcf3ad54fc46e7a03036099656c54"},{"introduced":"93431768f922081249891ff621489be6f4d580fe"},{"last_affected":"7e5fda43bda67cd061e527b64046f241c2d6cc32"}],"database_specific":{"cpe":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc1:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc2:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc3:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc4:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc5:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc6:*:*:*:*:*:*"],"extracted_events":[{"introduced":"4.10.0"},{"fixed":"4.10.5"},{"introduced":"5.5.0"},{"fixed":"5.5.2"},{"introduced":"5.6.0"},{"fixed":"5.6.3"},{"introduced":"5.7.0-rc1"},{"last_affected":"5.7.0-rc1"},{"introduced":"5.7.0-rc2"},{"last_affected":"5.7.0-rc2"},{"introduced":"5.7.0-rc3"},{"last_affected":"5.7.0-rc3"},{"introduced":"5.7.0-rc4"},{"last_affected":"5.7.0-rc4"},{"introduced":"5.7.0-rc5"},{"last_affected":"5.7.0-rc5"},{"introduced":"5.7.0-rc6"},{"last_affected":"5.7.0-rc6"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["5.7.0-rc1","5.7.0-rc2","5.7.0-rc3","5.7.0-rc4","5.7.0-rc5","5.7.0-rc6","v5.7.0-rc6","v5.7.0","v5.7.0-rc5","v5.7.0-rc4","v4.10.4-rc1","v4.10.4","v5.6.2-rc1","v5.6.2","v5.7.0-rc3","v5.7.0-rc2","v5.7.0-rc1","v5.6.1-rc3","v5.6.1-rc2","v5.6.1-rc1","v5.6.1","v5.6.0-rc6","v5.6.0","v5.5.1-rc1","v5.5.1","v5.5.0-rc3","v5.5.0","v4.10.3-rc1","v4.10.3","v4.10.2-rc1","v4.10.2","v4.10.1-rc1","v4.10.1","v4.10.0-rc5","v4.10.0-rc4","v4.10.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20889.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}