{"id":"CVE-2017-18870","details":"An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, and 4.3.4. It mishandled webhook access control in the EnableOnlyAdminIntegrations case.","aliases":["GHSA-9j9j-mm2r-9rfm","GO-2025-4183"],"modified":"2026-08-03T02:12:42.450193580Z","published":"2020-06-19T17:15:11.787Z","related":["SUSE-SU-2025:4395-1","openSUSE-SU-2026:21483-1"],"references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"0"},{"fixed":"8f6bb1570dd234c63de5241eff9fbb268aad358c"},{"introduced":"a0017f184578d4d6250a9b54b50e656524078949"},{"fixed":"3890bc7079bf21330efdc45ae2741a4392d99e3c"}]}],"versions":["v4.4.0","v4.4.0-rc4","v4.4.0-rc5","v4.4.1","v4.4.1-rc1","v4.4.2","v4.4.2-rc1","v4.4.3","v4.4.3-rc1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18870.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}