CVE-2026-30796

7.5 HIGH

Published: March 05, 2026 Modified: March 25, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub

Source: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe

Exploit Third Party Advisory

https://rustdesk.com/docs/en/

Source: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe

Product Vendor Advisory

https://www.vulsec.org/

Source: 2fdefc65-d750-4b8d-96ee-6e2c0c42dbfe

Not Applicable

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.0%

6th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-319

Affected Vendors

microsoft rustdesk apple linux

Related CVEs

CVE-2026-41299 7.1

CVE-2026-41298 5.4

CVE-2026-41297 7.6

CVE-2026-41296 8.2

CVE-2026-41295 7.8