Vulnerability in Nomachine
CVE-2026-92209
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.
Published .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
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 9.7.3
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-711/ (x_research-advisory)
Frequently asked questions
- What is CVE-2026-92209?
- CVE-2026-92209 is a high-severity vulnerability in Nomachine, classified under Insufficient Entropy. CVSS score: 7.8/10. Published 2026-10-21.
- How severe is CVE-2026-92209?
- High severity. CVSS v3 base score is 7.8 out of 10.