CVE-2026-30795
HIGHCVSS Vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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2Description
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.
Analysis
RustDesk Client through version 1.4.5 transmits sensitive preset address book credentials in cleartext during heartbeat synchronization, enabling network eavesdropping attacks across Windows, macOS, Linux, iOS, and Android platforms. An attacker positioned to intercept network traffic can capture authentication credentials by sniffing the unencrypted JSON payload. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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