CVE-2026-30793 RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation
Attackers can exploit a CSRF flaw in the URI handler to set a permanent password without user confirmation, leading to privilege escalation and account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-30793?
CVE-2026-30793 is a critical vulnerability in rustdesk-client RustDesk Client, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2026-30793?
It affects 1 product.
Products include Rustdesk Rustdesk.
How do I fix CVE-2026-30793?
No fix has been published for CVE-2026-30793 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-30793 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30793 exists.
Other vulnerabilities in rustdesk-client RustDesk Client
- CVE-2024-25140 Misconfiguration in n/a
- CVE-2026-30797 RustDesk rustdesk://config/ URI Silently Re-homes Client to Attacker-Controlled Server
- CVE-2026-30791 RustDesk Client Accepts Pseudo-Encrypted Config Strings Without Cryptographic Validation
- CVE-2026-30795 RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
- CVE-2026-30792 RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings
Sources
Also known as GHSA-83v8-c68x-gcpr.