{ "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.

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.

This issue affects RustDesk Client: through 1.4.8.

" } ] } ], "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.
" } ] } ], "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" } } ] } }