RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies
Summary
| CVE | CVE-2026-30783 |
|---|---|
| State | PUBLISHED |
| Assigner | VULSec |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-05 16:16:18 UTC |
| Updated | 2026-06-22 10:16:18 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 4.8 MEDIUM from 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe
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/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
Problem Types: CWE-602 | CWE-841 | CWE-602 CWE-602 Client-Side Enforcement of Server-Side Security | CWE-841 CWE-841 Improper Enforcement of Behavioral Workflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe | Secondary | 4.8 | MEDIUM | 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/E:X/C... |
| 4.0 | CNA | CVSS | 4.8 | MEDIUM | 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 |
| 3.1 | [email protected] | Primary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v4.0 Breakdown
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/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 v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Apple | Iphone Os | - | All | All | All |
| Operating System | Apple | Macos | - | All | All | All |
| Operating System | Android | - | All | All | All | |
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Operating System | Microsoft | Windows | - | All | All | All |
| Application | Rustdesk | Rustdesk | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Rustdesk-client | RustDesk Client | affected 1.4.8 custom | Windows, MacOS, Linux, iOS, Android, WebClient |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| rustdesk.com/docs/en/client | 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe | rustdesk.com | Product |
| docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI... | 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe | docs.google.com | Exploit, Third Party Advisory |
| www.vulsec.org | 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe | www.vulsec.org | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Erez Kalman (en)
CNA: Erez Kalman (en)
Additional Advisory Data
Solutions
CNA: Move enforcement to server side. Require Signed Session Authorization Tokens.
Workarounds
CNA: Restrict physical/remote access to RustDesk config files
Exploits
CNA: PoC available. Trivially exploitable.