CVE-2026-30798
Received Received - Intake

Insufficient Data Verification in RustDesk Client Enables Protocol Manipulation

Publication date: 2026-03-05

Last updated on: 2026-06-22

Assigner: VULSec Labs

Description
Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop. This issue affects RustDesk Client: through 1.4.8.

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Meta Information

Published
2026-03-05
Last Modified
2026-06-22
Generated
2026-07-06
AI Q&A
2026-03-05
EPSS Evaluated
2026-07-05
NVD
CVE-2026-30798
EUVD
EUVD-2026-9838

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-755 The product does not handle or incorrectly handles an exceptional condition.
CWE-345 The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

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Executive Summary

This vulnerability in the RustDesk Client involves insufficient verification of data authenticity and improper handling of exceptional conditions within the heartbeat sync loop and strategy processing modules. It allows an attacker to manipulate the protocol by exploiting weaknesses in specific program files and routines, potentially leading to unauthorized actions or data manipulation.

Impact Analysis

The vulnerability can impact users by enabling protocol manipulation, which may result in unauthorized access, data tampering, or disruption of normal client operations. Because it affects the heartbeat sync loop, it could interfere with the communication and synchronization processes of the RustDesk Client, potentially compromising the integrity and reliability of the service.

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