CVE-2026-30795CWE-319

RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure

High · published March 5, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
26.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00339 · 26.1th percentile
Weakness
CWE-319 · Cleartext Transmission of Sensitive Information
Published
2026-03-05T15:27Z
EPSS history
Timeline
  • 05 MAR 15:27Z
    RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
    cvelistv5