CVE-2026-30791

RustDesk Client Accepts Pseudo-Encrypted Config Strings Without Cryptographic Validation

State: Published
Severity: 8.7 High
Published: Mar 5, 2026
Updated: Mar 6, 2026
Reserved: Mar 5, 2026

Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Config import, URI scheme handler, CLI --config modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program files flutter/lib/common.Dart, hbb_common/src/config.Rs and program routines parseRustdeskUri(), importConfig().

This issue affects RustDesk Client: through 1.4.5.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	VULSec

Weaknesses

CWE-327 Use of a Broken or Risky Cryptographic Algorithm
CWE-684

Affected Products

Product	Versions
RustDesk Clientrustdesk-client	1.4.5 and earlierAffected

References

https://rustdesk.com/docs/en/client/technical-description
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pubthird-party-advisoryexploit
https://www.vulsec.org/vdb-entrythird-party-advisory

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