Vulnerability Details CVE-2026-30790
Improper Restriction of Excessive Authentication Attempts, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Peer authentication, API login modules), rustdesk-server RustDesk Server (OSS) rustdesk-server on Windows, MacOS, Linux (Peer authentication, API login modules) allows Password Brute Forcing. This vulnerability is associated with program files src/server/connection.Rs and program routines Salt/challenge generation, SHA256(SHA256(pwd+salt)+challenge) verification.
This issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.3%
CVSS Severity
CVSS v3 Score 9.8
References
Products affected by CVE-2026-30790
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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:-