{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30794", "assignerOrgId": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "state": "PUBLISHED", "assignerShortName": "VULSec", "dateReserved": "2026-03-05T14:13:37.203Z", "datePublished": "2026-03-05T15:24:34.784Z", "dateUpdated": "2026-03-05T15:24:34.784Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://github.com/rustdesk/rustdesk/releases", "defaultStatus": "affected", "modules": ["HTTP API client", "TLS transport"], "packageName": "rustdesk-client", "platforms": ["Windows", "MacOS", "Linux", "iOS", "Android"], "product": "RustDesk Client", "programFiles": ["src/hbbs_http/http_client.rs"], "programRoutines": [{"name": "TLS retry with danger_accept_invalid_certs(true)"}], "repo": "https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common", "vendor": "rustdesk-client", "versions": [{"lessThanOrEqual": "1.4.5", "status": "affected", "version": "0", "versionType": "custom"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Default \u2014 any client connecting to API server via HTTPS"}], "value": "Default \u2014 any client connecting to API server via HTTPS"}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:windows:*:*:*:*:*", "versionEndIncluding": "1.4.5", "versionStartIncluding": "0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:macos:*:*:*:*:*", "versionEndIncluding": "1.4.5", "versionStartIncluding": "0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:linux:*:*:*:*:*", "versionEndIncluding": "1.4.5", "versionStartIncluding": "0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:ios:*:*:*:*:*", "versionEndIncluding": "1.4.5", "versionStartIncluding": "0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:android:*:*:*:*:*", "versionEndIncluding": "1.4.5", "versionStartIncluding": "0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Erez Kalman"}, {"lang": "en", "type": "reporter", "value": "Erez Kalman"}], "datePublic": "2026-03-05T13:45:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM).<p> This vulnerability is associated with program files <tt>src/hbbs_http/http_client.Rs</tt> and program routines <tt>TLS retry with danger_accept_invalid_certs(true)</tt>.</p><p>This issue affects RustDesk Client: through 1.4.5.</p>"}], "value": "Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM). 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Treat TLS handshake failures as fatal."}], "value": "Remove automatic fallback. Treat TLS handshake failures as fatal."}], "source": {"discovery": "UNKNOWN"}, "title": "RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Ensure network path to API server cannot be intercepted (VPN, direct link)"}], "value": "Ensure network path to API server cannot be intercepted (VPN, direct link)"}], "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM). This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true).\n\nThis issue affects RustDesk Client: through 1.4.5."}], "id": "CVE-2026-30794", "lastModified": "2026-03-05T16:16:20.177", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "type": "Secondary"}]}, "published": "2026-03-05T16:16:20.177", "references": [{"source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "url": "https://github.com/rustdesk/rustdesk"}], "sourceIdentifier": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "type": "Secondary"}]}

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