CVE-2026-30789

UNKNOWN 0.0

RustDesk Client Generates Auth Proof Without Client-Side Nonce, Enabling Replay Attacks

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-294 CWE-916
Vendor	rustdesk-client
Product	rustdesk client
Published	Mar 5, 2026
Last Updated	Mar 17, 2026

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Affected Versions

rustdesk-client / RustDesk Client

0 ≤ 1.4.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

rustdesk.com: https://rustdesk.com/docs/en/client/ docs.google.com: https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub vulsec.org: https://www.vulsec.org/

Credits

Erez Kalman 🔍 Erez Kalman