Vulnerability · Published Mar 5, 2026 · Assigned by VULSec

CVE-2026-30783RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies

Medium 4.8

In plain English

A medium-severity security flaw in RustDesk Client from rustdesk-client. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 4.0)4.8Medium

Exploit odds (30 days)0.4%top 62.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
rustdesk-client	RustDesk Client	0 – through 1.4.8

Weakness: CWE-602, CWE-841 · Vector: 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

References

https://rustdesk.com/docs/en/client/ technical-description, x_--config documentation
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub third-party-advisory, exploit
https://www.vulsec.org/ vdb-entry, third-party-advisory