{"id":"CVE-2019-20846","details":"An issue was discovered in Mattermost Server before 5.18.0. It has weak permissions for server-local file storage.","modified":"2026-04-10T04:17:14.323774Z","published":"2020-06-19T14:15:10.650Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"cd38d63bf448ae791f252c3704a705e94b26959f"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"5.18.0"}]}}],"versions":["v0.5.0","v4.10.0-rc1","v4.2.0-rc1","v4.3.0-rc1","v4.4.0-rc1","v4.5.0-rc1","v4.6.0-rc1","v4.6.0-rc2","v4.7.0-rc1","v4.8.0-rc1","v4.9.0-rc1","v5.0.0-rc1","v5.1.0-rc1","v5.18.0-rc1","v5.18.0-rc2","v5.2.0-rc1","v5.2.0-rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20846.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}