PT-2026-23457 · Unknown · Rustdesk Client

Erez Kalman · CVE-2026-30792 · Published 2026-03-05 · Updated 2026-06-22

Positive Technologies (AI Summary)

CVSS v4.0

8.3

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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

Description A flaw exists in RustDesk Client on Windows, MacOS, Linux, iOS, Android, and WebClient that allows manipulation of Application API Messages through a Man-in-the-Middle attack. The issue is related to program files src/hbbs http/sync.Rs and hbb common/src/config.Rs, and the Strategy merge loop in sync.Rs, as well as the Config::set options() routines.

Recommendations Update RustDesk Client to a version later than 1.4.5.

Exploit

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

CWE-657

Related Identifiers

CVE-2026-30792

Affected Products

Rustdesk Client

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30792.json · Exploit
• 🔥 https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub · Exploit
• https://osv.dev/vulnerability/CVE-2026-30792 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-30792 · Security Note
• https://rustdesk.com/docs/en/self-host/client-configuration/advanced-settings · Vendor Advisory
• https://github.com/rustdesk/rustdesk/releases · Note
• https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common · Note
• https://reddit.com/r/rustdesk/comments/1ub5cdv/weird_rustdesk_request_from_my_own_macbook · Reddit Post
• https://t.me/cveNotify/171424 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2029617928216142257 · Twitter Post
• https://twitter.com/CVEnew/status/2029654741186179262 · Twitter Post
• https://t.me/CVEtracker/46445 · Telegram Post
• https://vulsec.org · Note
• https://t.me/cveNotify/171474 · Telegram Post