CVE-2026-30794 CRITICAL

CVE-2026-30794: RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure

Vendor Rustdesk-Client
Product RustDesk Client
Weakness CWE-295
Published March 5, 2026
Last update March 17, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM). This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true). This issue affects RustDesk Client: through 1.4.5.

Key dates

02Disclosure timeline

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