CVE-2026-30783

CRITICAL

RustDesk Client <=1.4.5 - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Various Sources technical-description x_--config documentation
https://rustdesk.com/docs/en/client/
Various Sources vdb-entry third-party-advisory
https://www.vulsec.org/

Scores

CVSS v3 9.8
EPSS 0.0059
EPSS Percentile 43.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-602 CWE-841
Status published
Products (1)
rustdesk/rustdesk < 1.4.5
Published Mar 05, 2026
Tracked Since Mar 05, 2026