{"id":"CVE-2026-100388","title":"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","summary":"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 …","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-862"],"vendor":"rustdesk","product":"rustdesk","affected":["rustdesk < 1.5.0"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T21:17:22.440","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100388","references":[{"url":"https://github.com/rustdesk/rustdesk","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/blob/1.4.9/src/server/connection.rs#L3074-L3092","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/commit/f299fb9906006247863250d7dfaa016f29eef7a4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/pull/16333","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/rustdesk-before-1.5.0-missing-authorization-check-on-incoming-file-clipboard-messages","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T21:19:40.142Z","slug":"CVE-2026-100388","body":"## Overview\n\nRustDesk 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}