CVE-2026-30796 HIGH

CVE-2026-30796: RustDesk Server Pro API Requires Address Book Password in Plaintext for Sync Protocol

Vendor Rustdesk-Server-Pro

Product RustDesk Server Pro

Weakness CWE-319 · Cleartext transmission

Published March 5, 2026

Last update March 17, 2026

View on NVD All CVEs

CVSS base score

8.7/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality —

Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 5, 2026 CVE published

March 17, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-30796 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/319.html