Vulnerability · Published Mar 5, 2026 · Assigned by VULSec

CVE-2026-30798RustDesk Client Accepts Unauthenticated stop-service Command via Strategy Payload

High 8.2

In plain English

A high-severity insufficient verification of data authenticity 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 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 4.0)8.2High

Exploit odds (30 days)0.3%top 72.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Insufficient Verification of Data Authenticity, Improper Handling of Exceptional Conditions vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop, strategy processing modules) allows Protocol Manipulation. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines stop-service handler in heartbeat loop. 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-345, CWE-755 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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