{"id":"CVE-2023-3587","aliases":["BIT-mattermost-2023-3587","EUVD-2023-44237","GHSA-rg67-9vmj-5rpg"],"status":"published","title":"Inconsistent state in UI after boards permission change by system admin","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00435,"percentile":0.38024,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2023-07-17T15:26:51Z","modified":"2026-10-28T02:30:50Z","fixes":[{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["7.8.7","7.10.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"introduced":"7.8.0"},{"fixed":"7.8.7"},{"introduced":"7.10.0"},{"fixed":"7.10.3"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3587","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-rg67-9vmj-5rpg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3587.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-3587","title":"Inconsistent state in UI after boards permission change by system admin","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.\n\n","status":"published","published":"2023-07-17T15:26:51.996Z","modified":"2024-10-22T13:40:42.183Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:35:24.707957Z"}],"euvd":[{"id":"EUVD-2023-44237","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.\n\n","status":"published","published":"2023-07-17T15:26:51Z","modified":"2024-10-22T13:40:42Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-03T00:05:22.720016Z"}],"ghsa":[{"id":"GHSA-rg67-9vmj-5rpg","title":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a...","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.\n\n","status":"published","published":"2023-07-17T18:31:28Z","modified":"2024-04-04T06:10:51Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:56:39.852376Z"}],"nvd":[{"id":"CVE-2023-3587","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.\n\n","status":"published","published":"2023-07-17T16:15:10.78Z","modified":"2026-06-17T06:14:24.67Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:08:17.044696Z"}],"osv":[{"id":"CVE-2023-3587","title":"Inconsistent state in UI after boards permission change by system admin","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.\n\n","status":"published","published":"2023-07-17T15:26:51.996Z","modified":"2026-10-28T02:30:50.901690457Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:44:32.510144Z"},{"id":"BIT-mattermost-2023-3587","description":"Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.","status":"published","published":"2024-03-06T11:00:16.209Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}