High · CVSS 7.2CVE-2026-92210

NoMachine nxhtd Server-Side Request Forgery Information Disclosure VulnerabilityCVE-2026-92210

Answer in brief

CVE-2026-92210 records a High severity (CVSS 7.2) vulnerability in NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability. The current sources do not mark it as known exploited. The current feed maps NoMachine/NoMachine (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 21, 2026Updated Oct 21, 2026Source checked Oct 25, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.2
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps NoMachine/NoMachine (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
NoMachine/NoMachinegeneric	nomachine_9.8.2_1_amd64.deb	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for NoMachine/NoMachine.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 21, 2026

Sources and claim methodology

Source referencezerodayinitiative.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Zylon PrivateGPT URI Artifact Loader uri_loader.py load_file_from_uri server-side request forgeryAlso CWE-918