CVE-2026-30793

CRITICAL

RustDesk Client <=1.4.5 - CSRF to Privilege Escalation

Title source: llm

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.

References (4)

[Various Sources] https://github.com/rustdesk/rustdesk

[Various Sources] https://github.com/rustdesk/hbb_common

View Writeup ZIP pw:eip

[Various Sources] https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub

[Various Sources] https://www.vulsec.org/

Scores

CVSS v3 9.8

EPSS 0.0004

EPSS Percentile 11.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-285 CWE-352

Status published

Products (2)

rustdesk/rustdesk < 1.4.5

rustdesk-client/RustDesk Client < 1.4.5

Published Mar 05, 2026

Tracked Since Mar 05, 2026