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.

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History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Description 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.
Title NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability
Weaknesses CWE-918
References
Metrics cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-10-21T17:16:22.236Z

Reserved: 2026-09-15T18:17:46.163Z

Link: CVE-2026-92210

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T18:17:31.730

Modified: 2026-10-21T18:17:31.730

Link: CVE-2026-92210

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T21:30:15Z

Weaknesses