CVE-2026-18264CWE-78command-injection

CVE-2026-18264

High · published August 20, 2026

CVSS v3.0
8.8
EPSS
1%
Percentile
69.0
In the wild
Unconfirmed
What it is

NoMachine getstat Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NoMachine. Authentication is required to exploit this vulnerability.

The specific flaw exists within the web service, which listens on TCP port 4000 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account.

. Was ZDI-CAN-30634.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01242 · 69.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-20T21:17Z
References (2)
https://kb.nomachine.com/TR06X11869 · [email protected]https://www.zerodayinitiative.com/advisories/ZDI-26-483/ · [email protected]
EPSS history
Timeline
  • 20 AUG 16:13Z
    NoMachine getstat Command Injection Remote Code Execution Vulnerability
    cvelistv5