CVE-2026-92209
NoMachine Redis Improper Authentication Local Privilege Escalation Vulnerability
- Published
- Oct 21, 2026
- Updated
- Oct 23, 2026
- Assigning CNA
- zdi
- Evidence observed
- Nov 4, 2026
Primary CVSS
nvd · CVSS 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 15.6%
- Model date
- Nov 4, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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 specific flaw exists within the authentication mechanism controlling access to the Redis database. The issue results from using insufficient entropy in the generation of credentials. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-30984.
Sources
- CVE-2026-92209_NoMachine_LPEInformational
Advisory write-up for CVE-2026-92209, an improper authentication flaw in NoMachine's Redis component enabling local privilege escalation; includes CVSS details and fixed versions.
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