CVE-2026-30792 RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings
Attackers can bypass local security settings by merging unauthenticated strategy payloads via man-in-the-middle attacks in RustDesk clients.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-30792?
CVE-2026-30792 is a high-severity vulnerability in rustdesk-client RustDesk Client, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-345
Which versions are affected by CVE-2026-30792?
It affects 1 product.
Products include Rustdesk Rustdesk.
How do I fix CVE-2026-30792?
No fix has been published for CVE-2026-30792 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-30792 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30792 exists.
Other vulnerabilities in rustdesk-client RustDesk Client
- CVE-2024-25140 Misconfiguration in n/a
- CVE-2026-30793 RustDesk Flutter URI Handler Sets Permanent Password Without Privilege Check or User Confirmation
- 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
Sources
Also known as GHSA-39g5-2q66-34fm.