{"id":"CVE-2026-100388","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100388","generatedAt":"2026-10-28T02:20:28.678Z","title":"Authenticated remote peers with disabled file transfer permissions can place files onto the host clipboard and retrieve copied files and contents from the process-wide clipboard cache.","description":"RustDesk versions before 1.5.0 fail to properly validate file transfer permissions on incoming file clipboard messages in the Cliprdr message handler on Linux and macOS. Authenticated remote peers with disabled file transfer permissions can place files onto the host clipboard and retrieve copied files and contents from the process-wide clipboard cache.","published":"2026-09-25T21:17:22.000Z","lastModified":"2026-09-30T01:16:32.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-862"],"affected":[],"epss":{"score":0.00177,"percentile":0.07232,"date":"2026-10-26","history":[{"date":"2026-09-26","score":0.00177,"percentile":0.06545}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-25T21:17:22.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-09-25T21:17:22.317Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://github.com/rustdesk/rustdesk","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/blob/1.4.9/src/server/connection.rs#L3074-L3092","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4","source":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/pull/16333","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-missing-authorization-check-on-incoming-file-clipboard-messages","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100388","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."}