{"id":"CVE-2023-3582","details":"Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to, \n\n","aliases":["BIT-mattermost-2023-3582"],"modified":"2026-03-14T12:07:55.608476Z","published":"2023-07-17T16:15:10.487Z","references":[{"type":"ADVISORY","url":"https://mattermost.com/security-updates"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-server","events":[{"introduced":"f14c24391ca84740d90a29ec8b67579326eaa236"},{"fixed":"9c1ca9e7239b14ca3a6872bdf2f22e3bc6126985"},{"introduced":"c4d8c1450ab2b9538bbc2690ca1ee865567a5888"},{"fixed":"1b6aa36dd17e8e8aed03f563c687bd69251cffe9"},{"introduced":"5b33575d571469115f29720530ff5b53a6cb7de5"},{"fixed":"cf5279c4598f3d49396d21ab539413173a159cf5"}],"database_specific":{"versions":[{"introduced":"7.8.0"},{"fixed":"7.8.7"},{"introduced":"7.9.0"},{"fixed":"7.9.5"},{"introduced":"7.10.0"},{"fixed":"7.10.3"}]}}],"versions":["v7.10.0","v7.10.1","v7.10.2","v7.8.0","v7.8.1","v7.8.2","v7.8.3","v7.8.4","v7.8.5","v7.8.6","v7.9.0","v7.9.1","v7.9.2","v7.9.3","v7.9.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3582.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}