{"id":"CVE-2026-58056","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-58056","summary":"RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer…","details":"RustDesk gates incoming control messages on per-capability flags rather than on the session's authorized connection type, and a file-transfer session does not clear those flags. A peer holding only a valid FileTransfer authorization can inject keyboard and mouse input and reach the unguarded screenshot and display-capture handlers, acting outside its granted scope.","published":"2026-06-28T01:32:57.879Z","modified":"2026-07-18T20:03:21.577Z","cvss":{"score":7.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L"},"epss":{"score":0.00326,"percentile":0.25761,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"EXPLOIT","url":"https://github.com/bikini/exploitarium/tree/main/rustdesk-session-permission-pocs"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/rustdesk-filetransfer-session-authorization-scope-bypass"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-07-18T20:03:21.577Z"}}