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.

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Advisories

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Fixes

Solution

Implement Signed Session Authorization Tokens validated by hbbs and hbbr


Workaround

Restrict network access to hbbs/hbbr ports (21116, 21117) via firewall. Use strong passwords.

History

Fri, 06 Mar 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Rustdesk-server
Rustdesk-server rustdesk Server
Rustdesk-server rustdesk Server Pro
Vendors & Products Rustdesk-server
Rustdesk-server rustdesk Server
Rustdesk-server rustdesk Server Pro

Fri, 06 Mar 2026 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 05 Mar 2026 18:15:00 +0000


Thu, 05 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Description 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.
Title RustDesk hbbs/hbbr Servers Broker Connections Without Any Authorization Check
Weaknesses CWE-306
CWE-862
References
Metrics cvssV4_0

{'score': 8.8, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VULSec

Published:

Updated: 2026-03-06T10:29:25.085Z

Reserved: 2026-03-05T14:13:35.407Z

Link: CVE-2026-30784

cve-icon Vulnrichment

Updated: 2026-03-06T10:29:20.294Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-05T16:16:19.110

Modified: 2026-03-05T19:38:33.877

Link: CVE-2026-30784

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-06T15:01:41Z

Weaknesses