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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 getstat 命令注入远程代码执行漏洞。此漏洞允许远程攻击者在受影响的 NoMachine 安装系统中执行任意代码，但利用该漏洞需要身份验证。 该漏洞存在于默认监听 TCP 端口 4000 的 Web 服务中。问题的根源在于：在执行系统调用之前，未对用户提供的字符串进行适当的验证。攻击者可利用此漏洞，在服务账户的上下文环境中执行代码。 此漏洞对应编号为 ZDI-CAN-30634。

AI Predicted 8.1 Difficulty: Easy EPSS 2.27% · P82

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

Affected Products

Vendor Product Affected Versions CPE Subscribe
NoMachine NoMachine 9.7.3 -

II. Public POCs for CVE-2026-18264

# POC Description Source Link Shenlong Link
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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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