---
id: CVE-2026-92210
title: >-
  NoMachine nxhtd Server-Side Request Forgery Information Disclosure
  Vulnerability
summary: >-
  NoMachine nxhtd Server-Side Request Forgery Information Disclosure
  Vulnerability. This vulnerability allows remote attackers to initiate
  arbitrary server-side requests on affected installations of NoMachine.
  Authentication is not require…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-918
vendor: NoMachine
product: NoMachine
affected:
  - NoMachine nomachine_9.8.2_1_amd64.deb
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T17:16:22.236Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-92210'
references:
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-26-712/'
    label: ZDI-26-712
tags:
  - cve.org
zeroDay: true
ingestedAt: '2026-10-21T18:09:27.283Z'
---

## Overview

NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability. This vulnerability allows remote attackers to initiate arbitrary server-side requests on affected installations of NoMachine. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the web service, which listens on UDP port 4443 by default. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to initiate requests in the context of the service account. Was ZDI-CAN-31619.

## Affected

- `NoMachine nomachine_9.8.2_1_amd64.deb`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.