CVE-2026-30784 HIGH

CVE-2026-30784: RustDesk hbbs/hbbr Servers Broker Connections Without Any Authorization Check

Vendor Rustdesk-Server
Product RustDesk Server
Weakness CWE-862 · Missing authorization
Published March 5, 2026
Last update March 6, 2026

CVSS base score

8.8/10
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:N/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Missing Authorization, Missing Authentication for Critical Function vulnerability in rustdesk-server RustDesk Server rustdesk-server, rustdesk-server-pro on hbbs/hbbr on all server platforms (Rendezvous server (hbbs), relay server (hbbr) modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_server.Rs, src/relay_server.Rs and program routines handle_punch_hole_request(), RegisterPeer handler, relay forwarding. This issue affects RustDesk Server: through 1.7.5, through 1.1.15.

Key dates

02Disclosure timeline

March 5, 2026 CVE published
March 6, 2026 Record updated