Vulnerability Details CVE-2026-30796
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.7%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-30796
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cpe:2.3:a:rustdesk:rustdesk_server:*
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cpe:2.3:o:apple:macos:-
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cpe:2.3:o:linux:linux_kernel:-
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cpe:2.3:o:microsoft:windows:-