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CVE-2026-5055— NoMachine Uncontrolled Search Path Element Local Privilege Escalation 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存在代码问题漏洞，该漏洞源于从不安全位置加载库，可能导致本地权限提升。

AI Predicted 6.8 Difficulty: Moderate EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5055

Vulnerability Information
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Vulnerability Title
NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
NoMachine Uncontrolled Search Path Element 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 NoMachine Device Server. The product loads a library from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-28494.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
NoMachine 代码问题漏洞
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存在代码问题漏洞，该漏洞源于从不安全位置加载库，可能导致本地权限提升。
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 9.2.18_1 -

II. Public POCs for CVE-2026-5055

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III. Intelligence Information for CVE-2026-5055

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Vendor Advisories for CVE-2026-5055 (1)

Same Patch Batch · NoMachine · 2026-04-11 · 3 CVEs total

CVE-2026-5054 NoMachine External Control of File Path Local Privilege Escalation Vulnerability
CVE-2026-5053 NoMachine External Control of File Path Arbitrary File Deletion Vulnerability

IV. Related Vulnerabilities

Same product: NoMachine
Same vendor: NoMachine
Same weakness: CWE-427

V. Comments for CVE-2026-5055

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