CVE-2026-30795 HIGH

CVE-2026-30795: RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure

Vendor Rustdesk-Client
Product RustDesk Client
Weakness CWE-319 · Cleartext transmission
Published March 5, 2026
Last update March 17, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 5, 2026 CVE published
March 17, 2026 Record updated