ZDI-CAN-30984: ZDI-26-711: NoMachine Redis Improper Authentication Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of NoMachine. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-92209.
Affected Software
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Affected NoMachine installations are exposed to local attackers who can already execute low-privileged code on the target system. It is a local privilege-escalation issue, not one described as remotely exploitable in the available information.
What does an attacker need before exploitation?
The attacker must first obtain the ability to execute code with low privileges on the affected system. The provided information does not identify any additional prerequisites or required configuration.
How severe is the issue?
ZDI assigned the vulnerability a CVSS rating of 7.8. The listed risk value is 46.