Vulnerability · Published Oct 21, 2026 · Assigned by zdi

CVE-2026-92210NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability

High 7.2

In plain English

A high-severity server-side request forgery in NoMachine from NoMachine. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.0)7.2High

Exploit odds (30 days)0.3%top 74.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
NoMachine	NoMachine	nomachine_9.8.2_1_amd64.deb

Weakness: CWE-918 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

ZDI-26-712 x_research-advisory