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CVE-2026-30792

RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings

Published: Mar 5, 2026Updated: Jun 22, 2026 Sources: CVE List NVDCWE-345
NVD MITRE
8.1CVSSHIGH
EPSS Score
0.3%
Top 82.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-345

Affected Products

rustdeskrustdesk
Mixed
Communications
RustDesk Clientrustdesk-client
Mixed
Consumer Software / productivity
rustdeskcommercialCommunications
rustdesk-clientoss-projectConsumer Softwareaka rustdesk client

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub
docs.google.com
https://rustdesk.com/docs/en/self-host/client-configuration/advanced-settings/
rustdesk.com
https://www.vulsec.org/
vulsec.org

Timeline

Published
Mar 5, 2026
Last Updated
Jun 22, 2026

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