High severity · published Oct 21, 2026
CVE-2026-92210
NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability
New
7.2
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
NoMachine · NoMachine
nomachine_9.8.2_1_amd64.deb · source: vendor
In the news
VulnerabilityHigh
ZDI-26-712: 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 ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-92210.
Sep 16, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92210
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92210
www.zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-26-712/
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