{"id":"CVE-2017-18919","details":"An issue was discovered in Mattermost Server before 3.7.0 and 3.6.3. Attackers can use the API for unauthenticated team creation.","modified":"2026-04-09T05:23:51.863457Z","published":"2020-06-19T20:15:12.647Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"776b1a3f3a83972a347af9c3fc6194f131765c79"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"3.6.3"}]}}],"versions":["v0.5.0","v3.6.0","v3.6.1","v3.6.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18919.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:N/I:L/A:N"}]}