---
id: CVE-2026-30783
title: >-
  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 …
summary: >-
  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 …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-602
  - CWE-841
published: '2026-03-05'
updated: '2026-06-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-30783'
references:
  - url: >-
      https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub
    label: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe
  - url: 'https://rustdesk.com/docs/en/client/'
    label: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe
  - url: 'https://www.vulsec.org/'
    label: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe
tags:
  - nvd
epss: 0.00455
epssPercentile: 0.36803
ingestedAt: '2026-06-29T13:24:34.775Z'
---

## Overview

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 1.4.8.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.