CVE-2026-30789

EUVD-2026-9834
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
rustdeskrustdesk
𝑥
≤ 1.4.5
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub
https://rustdesk.com/docs/en/client/
https://www.vulsec.org/