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CVE-2026-30793— RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation

Quick assessment

Affected
rustdesk-client RustDesk Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RustDesk是RustDesk个人开发者的一款远程访问和远程控制软件，主要由 Rust 编写，可以远程维护计算机和其他设备。 RustDesk 1.4.5及之前版本存在安全漏洞，该漏洞源于容易受到跨站请求伪造攻击，可能导致权限提升。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.35% · P27
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I. Basic Information for CVE-2026-30793

Vulnerability Information
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Vulnerability Title
RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-Site Request Forgery (CSRF) vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Flutter URI scheme handler, FFI bridge modules) allows Privilege Escalation. This vulnerability is associated with program files flutter/lib/common.Dart, src/flutter_ffi.Rs and program routines URI handler for rustdesk://password/, bind.MainSetPermanentPassword(). This issue affects RustDesk Client: through 1.4.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
RustDesk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RustDesk是RustDesk个人开发者的一款远程访问和远程控制软件，主要由 Rust 编写，可以远程维护计算机和其他设备。 RustDesk 1.4.5及之前版本存在安全漏洞，该漏洞源于容易受到跨站请求伪造攻击，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rustdesk-client RustDesk Client 0 ~ 1.4.5 -

II. Public POCs for CVE-2026-30793

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III. Intelligence Information for CVE-2026-30793

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Patches & Fixes for CVE-2026-30793 (1)

Proof of Concept for CVE-2026-30793 (1)

Security Blog Posts for CVE-2026-30793 (1)

Vendor Pages for CVE-2026-30793 (1)

Same Patch Batch · rustdesk-client · 2026-03-05 · 10 CVEs total

CVE-2026-30791 RustDesk Client Accepts Pseudo-Encrypted Config Strings Without Cryptographic Validation
CVE-2026-30789 RustDesk Auth Proof Uses Server-Controlled Salt/Challenge and Fast Double-SHA256, Enabling
CVE-2026-30797 RustDesk rustdesk://config/ URI Silently Re-homes Client to Attacker-Controlled Server
CVE-2026-30798 RustDesk Client Accepts Unauthenticated stop-service Command via Strategy Payload
CVE-2026-30796 RustDesk Client Transmits Preset Address Book Password Verbatim in Heartbeat Sync
CVE-2026-30792 RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security
CVE-2026-30795 RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
CVE-2026-30785 RustDesk Encrypts Local Passwords with World-Readable Machine ID and Fixed Zero Nonce (XSa
CVE-2026-30783 RustDesk Client Can Orphan API Channel to Ignore All Admin Commands and ACL Policies

IV. Related Vulnerabilities

Same product: RustDesk Client
Same vendor: rustdesk-client
Same weakness: CWE-285

V. Comments for CVE-2026-30793

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