{"id":"CVE-2023-3590","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-3590","generatedAt":"2026-10-28T02:15:08.782Z","title":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.","description":"Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.\n\n","published":"2023-07-17T16:15:11.000Z","lastModified":"2026-06-17T06:14:25.000Z","status":"Modified","sourceIdentifier":"responsibledisclosure@mattermost.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-863"],"affected":["mattermost/mattermost server"],"epss":{"score":0.00433,"percentile":0.37331,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory"],"source":"responsibledisclosure@mattermost.com"},{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-3590","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}