PT-2026-23451 · Rustdesk · Rustdesk Client

Erez Kalman · Published 2026-03-05 · Updated 2026-03-05 · CVE-2026-30791

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions RustDesk Client versions through 1.4.5

Description A flaw exists in the cryptographic implementation of RustDesk Client that could allow retrieval of embedded sensitive data. The issue is related to program files flutter/lib/common.Dart and hbb common/src/config.Rs, and program routines parseRustdeskUri() and importConfig(). The vulnerability affects Windows, MacOS, Linux, iOS, Android, and WebClient components, specifically during configuration import, URI scheme handling, and through CLI --config modules.

Recommendations Update RustDesk Client to a version later than 1.4.5.

Exploit

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-684

CWE-327

Related Identifiers

CVE-2026-30791

Affected Products

Rustdesk Client

References · 7

• 🔥 https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-30791 · Security Note
• https://osv.dev/vulnerability/CVE-2026-30791 · Vendor Advisory
• https://vulsec.org · Note
• https://twitter.com/CVEnew/status/2029654742348017993 · Twitter Post
• https://t.me/CVEtracker/46450 · Telegram Post
• https://rustdesk.com/docs/en/client · Note