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.

Project Subscriptions

Vendors Products
Rustdesk-client Subscribe
Rustdesk Client Subscribe
Advisories

No advisories yet.

Fixes

Solution

Remove automatic fallback. Treat TLS handshake failures as fatal.


Workaround

Ensure network path to API server cannot be intercepted (VPN, direct link)

History

Thu, 05 Mar 2026 18:15:00 +0000


Thu, 05 Mar 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 05 Mar 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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.
Title RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
First Time appeared Rustdesk-client
Rustdesk-client rustdesk Client
Weaknesses CWE-295
CPEs cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:android:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:ios:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:linux:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:macos:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:windows:*:*:*:*:*
Vendors & Products Rustdesk-client
Rustdesk-client rustdesk Client
References
Metrics cvssV4_0

{'score': 9.1, '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'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VULSec

Published:

Updated: 2026-03-05T16:46:27.411Z

Reserved: 2026-03-05T14:13:37.203Z

Link: CVE-2026-30794

cve-icon Vulnrichment

Updated: 2026-03-05T16:35:54.307Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-05T16:16:20.177

Modified: 2026-03-05T19:38:33.877

Link: CVE-2026-30794

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses