CVE-2026-30797
Received Received - Intake
Missing Authorization in RustDesk Client Enables MITM API Manipulation

Publication date: 2026-03-05

Last updated on: 2026-03-25

Assigner: VULSec Labs

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.
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Meta Information
Published
2026-03-05
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-03-05
EPSS Evaluated
2026-06-15
NVD
CVE-2026-30797
EUVD
EUVD-2026-9837
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
rustdesk rustdesk to 1.4.5 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-749 The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted.
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
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Executive Summary

This vulnerability is a Missing Authorization issue in the RustDesk Client application across multiple platforms including Windows, MacOS, Linux, iOS, and Android. It involves the Flutter URI scheme handler and configuration import modules, specifically in the flutter/lib/common.Dart file and the importConfig() routine. The flaw allows an attacker to manipulate application API messages through a Man-in-the-Middle (MitM) attack.

Impact Analysis

Because this vulnerability allows an attacker to manipulate API messages without proper authorization, it can lead to unauthorized actions or data manipulation within the RustDesk Client. This could compromise the integrity and confidentiality of communications or configurations handled by the application, potentially allowing attackers to interfere with or control aspects of the client remotely.

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