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Vulnerability record · CVE-2026-30792 · published 5 March 2026

CVE-2026-30792: Rustdesk insufficient verification of data authenticity vulnerability

Rustdesk · Rustdesk

A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Strategy sync, HTTP API client, config options engine modules) allows Application API Message Manipulation via Man-in-the-Middle. This vulnerability is associated with program files src/hbbs_http/sync.Rs, hbb_common/src/config.Rs and program routines Strategy merge loop in sync.Rs, Config::set_options(). This issue affects RustDesk Client: through 1.4.8.

8.3 CVSS 4.0 High EPSS 0.29% · top 80.3% CWE-345 · Insufficient verification of data authenticity
8.3CVSS 4.0 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
22 Jun 2026Last modified by NVD

Description

A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Strategy sync, HTTP API client, config options engine modules) allows Application API Message Manipulation via Man-in-the-Middle. This vulnerability is associated with program files src/hbbs_http/sync.Rs, hbb_common/src/config.Rs and program routines Strategy merge loop in sync.Rs, Config::set_options(). This issue affects RustDesk Client: through 1.4.8.

CVSS:4.0/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9a ExploitThird Party Advisory
https://rustdesk.com/docs/en/self-host/client-configuration/advanced-settings/ ProductVendor Advisory
https://www.vulsec.org/ Not Applicable

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-30792), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.