Vulnerability Description
Authentication Bypass by Capture-replay, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Client login, peer authentication modules) allows Reusing Session IDs (aka Session Replay). This vulnerability is associated with program files src/client.Rs and program routines hash_password(), login proof construction. This issue affects RustDesk Client: through 1.4.5.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rustdesk | Rustdesk | <= 1.4.5 |
| Apple | Iphone Os | - |
| Apple | Macos | - |
| Android | - | |
| Linux | Linux Kernel | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPExploitThird Party Advisory
- https://rustdesk.com/docs/en/client/Product
- https://www.vulsec.org/Not Applicable
FAQ
What is CVE-2026-30789?
CVE-2026-30789 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Authentication Bypass by Capture-replay, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, And...
How severe is CVE-2026-30789?
CVE-2026-30789 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-30789?
Check the references section above for vendor advisories and patch information. Affected products include: Rustdesk Rustdesk, Apple Iphone Os, Apple Macos, Google Android, Linux Linux Kernel.