CVE-2026-30795RustDesk HTTP Client Silently Accepts Invalid TLS Certificates After Handshake Failure
Updated under an hour ago ()
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It affects rustdesk-client RustDesk Client and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.7 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-319
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VULSec
- NVD analysis
- Analyzed
- Record last updated
- Mar 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
rustdesk-client RustDesk Client rustdesk_client:rustdesk_client (from the name) | through 1.4.5 | CNA record |
rustdesk rustdesk rustdesk:rustdesk | through 1.4.5 | NVD |
References
- https://github.com/rustdesk/rustdeskproduct
- https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pubthird-party-advisory, exploit
- https://www.vulsec.org/vdb-entry, third-party-advisory, not-applicable
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.