CVE-2026-30792
RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings
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.
- Record
CVE-2026-30792- CVSS 4.0
- 8.3 High
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 - Weakness
- CWE-345
- Updated
- 2026-11-02
EUVDEUVD-2026-9826
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.
- Record
EUVD-2026-9826- CVSS 4.0
- 8.3 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-39g5-2q66-34fm
A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS,...
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 1.4.5.
- Record
GHSA-39g5-2q66-34fm- CVSS 4.0
- 9.1 Critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/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 - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-345, CWE-657
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-30792- CVSS 4.0
- 8.3 High
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:X/V:X/RE:X/U:X - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-345
- Updated
- 2026-11-02
OSV
RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings
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.
- Record
CVE-2026-30792- CVSS 4.0
- 8.3 High
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 - Weakness
- CWE-345
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-30792 is a high vulnerability (CVSS 8.3) in Rustdesk, published March 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.
References
rustdesk.com/docs/en/self-host/client-configuration/advanced-settings
docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub
vulsec.org
nvd.nist.gov/vuln/detail/CVE-2026-30792
github.com/advisories/GHSA-39g5-2q66-34fm