Vulnerability Description
Cleartext Transmission of Sensitive Information vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Address book sync API modules) allows Sniffing Attacks. This vulnerability is associated with program files Closed source — API endpoint handling heartbeat sync and program routines Heartbeat API handler (accepts preset-address-book-password in plaintext). This issue affects RustDesk Server Pro: through 1.7.5.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rustdesk | Rustdesk Server | <= 1.7.5 |
| Apple | Macos | - |
| Linux | Linux Kernel | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPExploitThird Party Advisory
- https://rustdesk.com/docs/en/ProductVendor Advisory
- https://www.vulsec.org/Not Applicable
FAQ
What is CVE-2026-30796?
CVE-2026-30796 is a vulnerability with a CVSS score of 7.5 (HIGH). Cleartext Transmission of Sensitive Information vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Address book sync API modules) allows Sniffing At...
How severe is CVE-2026-30796?
CVE-2026-30796 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-30796?
Check the references section above for vendor advisories and patch information. Affected products include: Rustdesk Rustdesk Server, Apple Macos, Linux Linux Kernel, Microsoft Windows.