{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30783","assignerOrgId":"2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe","state":"PUBLISHED","assignerShortName":"VULSec","dateReserved":"2026-03-05T14:13:35.407Z","datePublished":"2026-03-05T15:52:21.992Z","dateUpdated":"2026-06-22T13:18:26.738Z"},"containers":{"cna":{"providerMetadata":{"orgId":"2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe","shortName":"VULSec","dateUpdated":"2026-06-22T13:18:26.738Z"},"title":"RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies","datePublic":"2026-03-05T13:45:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-602","description":"CWE-602 Client-Side Enforcement of Server-Side Security","type":"CWE"},{"lang":"en","cweId":"CWE-841","description":"CWE-841 Improper Enforcement of Behavioral Workflow","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-122","descriptions":[{"lang":"en","value":"CAPEC-122 Privilege Abuse"}]}],"affected":[{"vendor":"rustdesk-client","product":"RustDesk Client","platforms":["Windows","MacOS","Linux","iOS","Android","WebClient"],"collectionURL":"https://github.com/rustdesk/rustdesk/releases","packageName":"rustdesk-client","repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","modules":["Client signaling","API sync loop","config management"],"programFiles":["src/rendezvous_mediator.rs","src/hbbs_http/sync.rs"],"programRoutines":[{"name":"API sync loop"},{"name":"api-server config handling"}],"versions":[{"status":"affected","version":"0","lessThanOrEqual":"1.4.8","versionType":"custom"}],"defaultStatus":"affected"}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:windows:*:*:*:*:*","versionEndIncluding":"1.4.8","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:macos:*:*:*:*:*","versionEndIncluding":"1.4.8","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:linux:*:*:*:*:*","versionEndIncluding":"1.4.8","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:ios:*:*:*:*:*","versionEndIncluding":"1.4.8","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:android:*:*:*:*:*","versionEndIncluding":"1.4.8","versionStartIncluding":"0","vulnerable":true},{"criteria":"cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:webclient:*:*:*:*:*","versionEndIncluding":"1.4.8","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"descriptions":[{"lang":"en","value":"A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse.\n\n This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling.\n\n\n\nThis issue affects RustDesk Client: through 1.4.8.","supportingMedia":[{"type":"text/html","base64":false,"value":"A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse.<p> This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling.</p><p>This issue affects RustDesk Client: through 1.4.8.</p>"}]}],"references":[{"url":"https://rustdesk.com/docs/en/client/","tags":["technical-description","x_--config documentation"]},{"url":"https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub","tags":["third-party-advisory","exploit"]},{"url":"https://www.vulsec.org/","tags":["vdb-entry","third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}}],"configurations":[{"lang":"en","value":"Default — any client deployment (OSS or Pro)","supportingMedia":[{"type":"text/html","base64":false,"value":"Default — any client deployment (OSS or Pro)"}]}],"workarounds":[{"lang":"en","value":"Restrict physical/remote access to RustDesk config files","supportingMedia":[{"type":"text/html","base64":false,"value":"Restrict physical/remote access to RustDesk config files"}]}],"solutions":[{"lang":"en","value":"Move enforcement to server side. Require Signed Session Authorization Tokens.","supportingMedia":[{"type":"text/html","base64":false,"value":"Move enforcement to server side. Require Signed Session Authorization Tokens."}]}],"exploits":[{"lang":"en","value":"PoC available. Trivially exploitable.","supportingMedia":[{"type":"text/html","base64":false,"value":"PoC available. Trivially exploitable.<br>"}]}],"credits":[{"lang":"en","value":"Erez Kalman","type":"finder"},{"lang":"en","value":"Erez Kalman","type":"reporter"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-06T10:26:06.050744Z","id":"CVE-2026-30783","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-06T10:27:23.721Z"}}]}}