Risky Cryptographic Algorithm Vulnerability in RustDesk Client
CVE-2026-30791

8.7HIGH

Key Information:

Vendor

Rustdesk-client

Status
Rustdesk Client
Vendor
CVE Published:
5 March 2026

Badges

👾 Exploit Exists

What is CVE-2026-30791?

The RustDesk Client is susceptible to a vulnerability stemming from the use of a risky cryptographic algorithm. This issue allows potential attackers to retrieve embedded sensitive data through various components of the application, including configurations imported via URI schemes or command line interfaces. Affected versions up to 1.4.5 may expose sensitive information due to improper handling within the associated program files. Proper remedial action is essential to safeguard user data and maintain the integrity of applications utilizing the RustDesk Client.

Affected Version(s)

RustDesk Client Windows 0 <= 1.4.5

References

https://rustdesk.com/docs/en/client/
technical-descriptionx_--config documentation
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO...
third-party-advisoryexploit
https://www.vulsec.org/
vdb-entrythird-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Erez Kalman
Erez Kalman
.