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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.

PUBLISHED Reserved 2026-03-05 | Published 2026-03-05 | Updated 2026-03-06 | Assigner VULSec




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

Problem types

CWE-602

CWE-841

Product status

Default status
affected

Any version
affected

Credits

Erez Kalman finder

Erez Kalman reporter

References

rustdesk.com/docs/en/client/ technical-description

docs.google.com/...QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub third-party-advisory exploit

www.vulsec.org/ vdb-entry third-party-advisory

cve.org (CVE-2026-30783)

nvd.nist.gov (CVE-2026-30783)

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