CVE-2026-30789

9.8 CRITICAL

Published: March 05, 2026 Modified: March 25, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub

Source: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe

Exploit Third Party Advisory

https://rustdesk.com/docs/en/client/

Source: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe

Product

https://www.vulsec.org/

Source: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe

Not Applicable

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.1%

31th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-294 CWE-916

Affected Vendors

linux microsoft rustdesk google apple

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