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CVE-2026-18264— NoMachine getstat Command Injection Remote Code Execution Vulnerability

Quick assessment

Affected
NoMachine NoMachine
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NoMachine是卢森堡NoMachine公司的一款远程桌面访问工具。 NoMachine 9.7.3版本存在命令注入漏洞，该漏洞源于其Web服务（默认监听TCP端口4000）对用户提供的字符串验证不当，便将其用于执行系统调用，可能导致经过身份验证的远程攻击者在服务账户上下文中执行任意代码。

AI Predicted 8.1 Difficulty: Easy EPSS 1.24% · P69

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
NoMachine NoMachine 9.7.3 affected
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I. Basic Information for CVE-2026-18264

Vulnerability Information
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Vulnerability Title
NoMachine getstat Command Injection Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
NoMachine 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NoMachine是卢森堡NoMachine公司的一款远程桌面访问工具。 NoMachine 9.7.3版本存在命令注入漏洞，该漏洞源于其Web服务（默认监听TCP端口4000）对用户提供的字符串验证不当，便将其用于执行系统调用，可能导致经过身份验证的远程攻击者在服务账户上下文中执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NoMachine NoMachine 9.7.3 -

II. Public POCs for CVE-2026-18264

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III. Intelligence Information for CVE-2026-18264

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Vendor Advisories for CVE-2026-18264 (2)

IV. Related Vulnerabilities

Same product: NoMachine
Same vendor: NoMachine
Same weakness: CWE-78

V. Comments for CVE-2026-18264

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