{"id":"CVE-2023-3590","aliases":["BIT-mattermost-2023-3590","EUVD-2023-44240","GHSA-h9fc-695x-fc5x"],"status":"published","title":"Deleted attachments in Boards remain accessible","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00433,"percentile":0.37844,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2023-07-17T15:28:50Z","modified":"2026-10-28T02:30:39Z","fixes":[{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["7.10.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"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-2023-3590","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-h9fc-695x-fc5x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3590.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-3590","title":"Deleted attachments in Boards remain accessible","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.\n\n","status":"published","published":"2023-07-17T15:28:50.86Z","modified":"2024-10-21T19:43:23.581Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:24.360381Z"}],"euvd":[{"id":"EUVD-2023-44240","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.\n\n","status":"published","published":"2023-07-17T15:28:50Z","modified":"2024-10-21T19:43:23Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:05:23.140259Z"}],"ghsa":[{"id":"GHSA-h9fc-695x-fc5x","title":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted...","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.\n\n","status":"published","published":"2023-07-17T18:31:28Z","modified":"2024-04-04T06:10:56Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:56:39.852376Z"}],"nvd":[{"id":"CVE-2023-3590","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.\n\n","status":"published","published":"2023-07-17T16:15:10.857Z","modified":"2026-06-17T06:14:25.097Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:08:17.044696Z"}],"osv":[{"id":"CVE-2023-3590","title":"Deleted attachments in Boards remain accessible","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.\n\n","status":"published","published":"2023-07-17T15:28:50.86Z","modified":"2026-10-28T02:30:39.424793405Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:32.510144Z"},{"id":"BIT-mattermost-2023-3590","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.","status":"published","published":"2024-03-06T11:00:08.789Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}