CVE-2026-30783

RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies

Published Mar 5, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse.

This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling.



This issue affects RustDesk Client: through 1.4.8.

Remediation

Vendor Solution

Move enforcement to server side. Require Signed Session Authorization Tokens.


Vendor Workaround

Restrict physical/remote access to RustDesk config files

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Type Values Removed Values Added
Description A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. This issue affects RustDesk Client: through 1.4.5. A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. This issue affects RustDesk Client: through 1.4.8.
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}

Type Values Removed Values Added
First Time appeared Apple
Apple iphone Os
Apple macos
Google
Google android
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Rustdesk
Rustdesk rustdesk
CPEs cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:webclient:*:*:*
cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple iphone Os
Apple macos
Google
Google android
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Rustdesk
Rustdesk rustdesk
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. This issue affects RustDesk Client: through 1.4.5.
Title RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies
First Time appeared Rustdesk-client
Rustdesk-client rustdesk Client
Weaknesses CWE-602
CWE-841
CPEs cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:android:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:ios:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:linux:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:macos:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:webclient:*:*:*:*:*
cpe:2.3:a:rustdesk-client:rustdesk_client:*:*:windows:*:*:*:*:*
Vendors & Products Rustdesk-client
Rustdesk-client rustdesk Client
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}