CVE-2026-30794: Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS…

PriorityP343critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
rustdesk-client	rustdesk_client	<= 1.4.5	—
rustdesk-client	rustdesk_client	<= 1.4.8	—
rustdesk	rustdesk	<= 1.4.5	—
rustdesk	rustdesk_server	<= 1.7.5	—

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