CVE-2026-30783
Received Received - Intake
Privilege Abuse Vulnerability in RustDesk Client Signaling Modules

Publication date: 2026-03-05

Last updated on: 2026-03-25

Assigner: VULSec Labs

Description
A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. 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-2026-30783
EUVD
EUVD-2026-9831
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-602 The product is composed of a server that relies on the client to implement a mechanism that is intended to protect the server.
CWE-841 The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence.
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Executive Summary

This vulnerability exists in the RustDesk Client software (rustdesk-client) across multiple platforms including Windows, MacOS, Linux, iOS, Android, and WebClient. It involves privilege abuse within certain program files and routines related to client signaling, API synchronization, and configuration management. Specifically, the affected components include src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs, and the API sync loop and api-server config handling modules.

Impact Analysis

The vulnerability allows privilege abuse, which means an attacker or malicious actor could potentially exploit the flaw to gain unauthorized elevated privileges within the RustDesk Client application. This could lead to unauthorized actions or access beyond what is normally permitted, potentially compromising the security and integrity of the affected system.

Compliance Impact

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Detection Guidance

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