SSRF in Nomachine

CVE-2026-92210

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Nomachine — versions nomachine_9.8.2_1_amd64.deb

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92210?
CVE-2026-92210 is a high-severity vulnerability in Nomachine, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.2/10. Published 2026-10-21.
How severe is CVE-2026-92210?
High severity. CVSS v3 base score is 7.2 out of 10.