CVE-2026-30783

RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies

State: Published
Severity: 4.8 Medium
Published: Mar 5, 2026
Updated: Jun 22, 2026
Reserved: Mar 5, 2026

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 1.4.8.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	VULSec

Weaknesses

CWE-602 Client-Side Enforcement of Server-Side Security
CWE-841 Improper Enforcement of Behavioral Workflow

Affected Products

Product	Versions
RustDesk Clientrustdesk-client	1.4.8 and earlierAffected

References

https://rustdesk.com/docs/en/client/technical-description
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pubthird-party-advisoryexploit
https://www.vulsec.org/vdb-entrythird-party-advisory

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