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High · 8.7 CVE-2026-30795 EUVD-2026-9829GHSA-c9v6-fhff-767p

RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure

Published Mar 5, 2026 · Updated Mar 17, 2026 · Assigned by VULSec

Description

Cleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop modules) allows Sniffing Attacks. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines Heartbeat JSON payload construction (preset-address-book-password).

This issue affects RustDesk Client: through 1.4.5.

Affected products

VendorProductAffectedFixed
rustdesk-client RustDesk Client ≤ 1.4.5 —

References