CVE-2026-30795 RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
RustDesk client accepts invalid TLS certificates, allowing attackers to intercept sensitive data via man-in-the-middle attacks.
- 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-2026-30795?
CVE-2026-30795 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
Cleartext Transmission of Sensitive Information vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Heartbeat sync loop modules) allows Sniffing Attacks. This vulnerability is associated with program files src/hbbs_http/sync.Rs and program routines Heartbeat JSON payload construction (preset-address-book-password).
This issue affects RustDesk Client: through 1.4.5.
Weakness: CWE-319
Which versions are affected by CVE-2026-30795?
It affects 1 product.
Products include Rustdesk Rustdesk.
How do I fix CVE-2026-30795?
No fix has been published for CVE-2026-30795 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-30795 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30795 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-2026-30792 RustDesk Client Blindly Merges Unauthenticated Strategy Payloads, Bypassing Local Security Settings
Sources
Also known as GHSA-c9v6-fhff-767p.