CVE-2026-30793 CRITICAL

CVE-2026-30793: RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation

Vendor Rustdesk-Client
Product RustDesk Client
Weakness CWE-285
Published March 5, 2026
Last update March 17, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 5, 2026 CVE published
March 17, 2026 Record updated