{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-30785", "assignerOrgId": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "state": "PUBLISHED", "assignerShortName": "VULSec", "dateReserved": "2026-03-05T14:13:35.407Z", "datePublished": "2026-03-05T16:04:36.443Z", "dateUpdated": "2026-03-06T10:32:38.348Z" }, "containers": { "cna": { "affected": [ { "collectionURL": "https://github.com/rustdesk/rustdesk/releases", "defaultStatus": "affected", "modules": [ "Password security module", "config encryption", "machine UID" ], "packageName": "rustdesk, hbb_common", "platforms": [ "Windows", "MacOS", "Linux" ], "product": "RustDesk Client", "programFiles": [ "hbb_common/src/password_security.rs", "hbb_common/src/config.rs", "hbb_common/src/lib.rs (get_uuid)", "machine-uid/src/lib.rs" ], "programRoutines": [ { "name": "symmetric_crypt()" }, { "name": "encrypt_str_or_original()" }, { "name": "decrypt_str_or_original()" }, { "name": "get_uuid()" }, { "name": "get_machine_id()" } ], "repo": "https://github.com/rustdesk/hbb_common,https://github.com/rustdesk-org/machine-uid", "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 — any desktop installation with permanent password or saved peers" } ], "value": "Default — any desktop installation with permanent password or saved peers" } ], "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": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'), Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk, hbb_common on Windows, MacOS, Linux (Password security module, config encryption, machine UID modules) allows Retrieve Embedded Sensitive Data.

This vulnerability is associated with program files hbb_common/src/password_security.Rs, hbb_common/src/config.Rs, hbb_common/src/lib.Rs (get_uuid), machine-uid/src/lib.Rs and program routines symmetric_crypt(), encrypt_str_or_original(), decrypt_str_or_original(), get_uuid(), get_machine_id().

This issue affects RustDesk Client: through 1.4.5.

" } ], "value": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'), Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk, hbb_common on Windows, MacOS, Linux (Password security module, config encryption, machine UID modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files hbb_common/src/password_security.Rs, hbb_common/src/config.Rs, hbb_common/src/lib.Rs (get_uuid), machine-uid/src/lib.Rs and program routines symmetric_crypt(), encrypt_str_or_original(), decrypt_str_or_original(), get_uuid(), get_machine_id().\n\nThis issue affects RustDesk Client: through 1.4.5." } ], "exploits": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "PoC available. Trivially exploitable.
" } ], "value": "PoC available. Trivially exploitable." } ], "impacts": [ { "capecId": "CAPEC-37", "descriptions": [ { "lang": "en", "value": "CAPEC-37 Retrieve Embedded Sensitive Data" } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 8.2, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-257", "description": "CWE-257", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-1321", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-323", "description": "CWE-323", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-916", "description": "CWE-916 Use of Password Hash With Insufficient Computational Effort", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe", "shortName": "VULSec", "dateUpdated": "2026-03-05T17:05:28.602Z" }, "references": [ { "tags": [ "technical-description", "x_--config documentation" ], "url": "https://github.com/rustdesk/rustdesk/discussions/9229" }, { "tags": [ "technical-description", "x_--config documentation" ], "url": "https://github.com/rustdesk/rustdesk/discussions/4979" }, { "tags": [ "third-party-advisory", "exploit" ], "url": "https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub" }, { "tags": [ "vdb-entry", "third-party-advisory" ], "url": "https://www.vulsec.org/" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Use one-way hashing (Argon2id) for passwords. Use OS-native credential stores (DPAPI, Keychain, libsecret) for recoverable secrets. Apply proper KDF. Use random nonces." } ], "value": "Use one-way hashing (Argon2id) for passwords. Use OS-native credential stores (DPAPI, Keychain, libsecret) for recoverable secrets. Apply proper KDF. Use random nonces." } ], "source": { "discovery": "UNKNOWN" }, "title": "RustDesk Encrypts Local Passwords with World-Readable Machine ID and Fixed Zero Nonce (XSalsa20-Poly1305)", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Set restrictive file permissions on TOML config files. Avoid saving peer passwords." } ], "value": "Set restrictive file permissions on TOML config files. Avoid saving peer passwords." } ], "x_generator": { "engine": "Vulnogram 0.5.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-06T10:32:18.593322Z", "id": "CVE-2026-30785", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "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": "2026-03-06T10:32:38.348Z" } } ] } }