CVE-2026-30793

RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation

State: Published
Severity: 9.3 Critical
Published: Mar 5, 2026
Updated: Mar 17, 2026
Reserved: Mar 5, 2026

Description

Cross-Site Request Forgery (CSRF) vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, FFI bridge modules) allows Privilege Escalation. This vulnerability is associated with program files flutter/lib/common.Dart, src/flutter_ffi.Rs and program routines URI handler for rustdesk://password/, bind.MainSetPermanentPassword().

This issue affects RustDesk Client: through 1.4.5.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N	VULSec

Weaknesses

CWE-285
CWE-352 Cross-Site Request Forgery (CSRF)

Affected Products

Product	Versions
RustDesk Clientrustdesk-client	1.4.5 and earlierAffected

References

https://github.com/rustdesk/rustdeskproduct
https://github.com/rustdesk/hbb_commonproduct
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pubthird-party-advisoryexploit
https://www.vulsec.org/vdb-entrythird-party-advisory

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