{"id":"CVE-2026-57850","title":"RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type (FileTransfer, PortForward, ViewCamera, or Terminal) can send control messages and login options …","summary":"RustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type (FileTransfer, PortForward, ViewCamera, or Terminal) can send control messages and login options …","severity":"high","cvss":8.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","cwe":["CWE-862"],"published":"2026-07-10","updated":"2026-07-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-57850","references":[{"url":"https://github.com/rustdesk/rustdesk","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/commit/493b14ba78abc3dfb33f109c7f93c1c95a1dabc4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/pull/15469","label":"disclosure@vulncheck.com"},{"url":"https://github.com/rustdesk/rustdesk/releases/tag/1.4.9","label":"disclosure@vulncheck.com"}],"tags":["nvd","exploit-available"],"epss":0.00498,"epssPercentile":0.40045,"ingestedAt":"2026-07-11T20:15:26.783Z","exploits":{"github":1,"githubRepos":["https://github.com/sn0x-sharma/CVE-2026-57850"],"checkedAt":"2026-09-25T08:21:04.619Z"},"exploitAvailable":true,"slug":"CVE-2026-57850","body":"## Overview\n\nRustDesk before 1.4.9 does not enforce a session's authorized connection scope on the server side, so a peer granted a limited session type (FileTransfer, PortForward, ViewCamera, or Terminal) can send control messages and login options reserved for a full Remote session. An authenticated remote peer can exploit this missing scope check to act outside its granted scope, injecting out-of-scope control messages to observe and control the host beyond the permissions it was given.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":58,"depthScoreParts":{"impact":45.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":5375,"id":"CVE-2026-57850","ts":1788887273078,"field":"exploit_available","old":"false","new":"true"},{"seq":4258,"id":"CVE-2026-57850","ts":1788886387996,"field":"exploit_available","old":"true","new":"false"},{"seq":3008,"id":"CVE-2026-57850","ts":1788883051246,"field":"exploit_available","old":"false","new":"true"},{"seq":2037,"id":"CVE-2026-57850","ts":1788882455914,"field":"exploit_available","old":"true","new":"false"},{"seq":1111,"id":"CVE-2026-57850","ts":1788881893078,"field":"exploit_available","old":"false","new":"true"}]}