{"id":"CVE-2026-30791","aliases":["EUVD-2026-9825","GHSA-mpxj-6c39-w4rr"],"status":"published","title":"RustDesk Client Accepts Pseudo-Encrypted Config Strings Without Cryptographic Validation","description":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().\n\nThis issue affects RustDesk Client: through 1.4.5.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00273,"percentile":0.19909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327","CWE-684"],"published":"2026-03-05T14:47:56Z","modified":"2026-10-28T02:31:02Z","products":[{"vendor":"rustdesk","product":"rustdesk"},{"vendor":"rustdesk-client","product":"rustdesk client"}],"references":[{"url":"https://rustdesk.com/docs/en/client/","tags":["technical-description","x_--config documentation","Product","article"]},{"url":"https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub","tags":["third-party-advisory","exploit","Exploit","Third Party Advisory","evidence"]},{"url":"https://www.vulsec.org/","tags":["vdb-entry","third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30791","tags":["advisory"]},{"url":"https://rustdesk.com/docs/en/client"},{"url":"https://www.vulsec.org"},{"url":"https://github.com/advisories/GHSA-mpxj-6c39-w4rr"},{"url":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30791.json","tags":["advisory"]},{"url":"https://github.com/rustdesk/rustdesk/releases","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-30791","title":"RustDesk Client Accepts Pseudo-Encrypted Config Strings Without Cryptographic Validation","description":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().\n\nThis issue affects RustDesk Client: through 1.4.5.","status":"published","published":"2026-03-05T14:47:56.96Z","modified":"2026-03-06T18:16:16.13Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-327","CWE-684"],"updated_at":"2026-11-02T13:44:07.200604Z"}],"euvd":[{"id":"EUVD-2026-9825","description":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().\n\nThis issue affects RustDesk Client: through 1.4.5.","status":"published","published":"2026-03-05T14:47:56Z","modified":"2026-03-06T18:16:16Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:48:07.686491Z"}],"ghsa":[{"id":"GHSA-mpxj-6c39-w4rr","title":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client...","description":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().\n\nThis issue affects RustDesk Client: through 1.4.5.","status":"published","published":"2026-03-05T15:30:36Z","modified":"2026-03-18T21:32:58Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T15:06:42.326312Z"}],"nvd":[{"id":"CVE-2026-30791","description":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().\n\nThis issue affects RustDesk Client: through 1.4.5.","status":"published","published":"2026-03-05T15:16:14.717Z","modified":"2026-06-17T10:32:55.407Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-327","CWE-684"],"updated_at":"2026-11-02T14:12:07.852448Z"}],"osv":[{"id":"CVE-2026-30791","title":"RustDesk Client Accepts Pseudo-Encrypted Config Strings Without Cryptographic Validation","description":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().\n\nThis issue affects RustDesk Client: through 1.4.5.","status":"published","published":"2026-03-05T14:47:56.96Z","modified":"2026-10-28T02:31:02.85527912Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-327","CWE-684"],"updated_at":"2026-11-02T15:45:00.530889Z"}]}}