CVE-2026-30797 CRITICAL

CVE-2026-30797: RustDesk rustdesk://config/ URI Silently Re-homes Client to Attacker-Controlled Server

Vendor Rustdesk-Client
Product RustDesk Client
Weakness CWE-862 · Missing authorization
Published March 5, 2026
Last update March 17, 2026
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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

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.

Key dates

02Disclosure timeline

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