CVE-2026-30797

RustDesk rustdesk://config/ URI Silently Re-homes Client to Attacker-Controlled Server

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

Description

Missing Authorization vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, config import modules) allows Application API Message Manipulation via Man-in-the-Middle. This vulnerability is associated with program files flutter/lib/common.Dart and program routines importConfig() via URI handler.

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-862 Missing Authorization
CWE-749

Affected Products

Product	Versions
RustDesk Clientrustdesk-client	1.4.5 and earlierAffected

References

https://rustdesk.com/docs/en/client/technical-description
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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