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CVE-2026-92210— NoMachine nxhtd Server-Side Request Forgery Information Disclosure 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 nxhtd 服务器端请求伪造（SSRF）导致信息泄露漏洞。该漏洞允许远程攻击者在受影响的 NoMachine 安装实例上发起任意服务器端请求，利用此漏洞无需进行身份验证。 具体缺陷存在于 Web 服务中，该服务默认监听 UDP 4443 端口。问题根源在于访问资源前未对 URI 进行适当的验证。攻击者可利用此漏洞，以服务账户的上下文发起请求。该漏洞编号为 ZDI-CAN-31619。

AI Predicted 8.8 Difficulty: Easy

Affected Version Matrix 1

VendorProduct Version RangeStatus
NoMachine NoMachine nomachine_9.8.2_1_amd64.deb affected
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I. Basic Information for CVE-2026-92210

Vulnerability Information
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Vulnerability Title
NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
NoMachine nxhtd Server-Side Request Forgery Information Disclosure Vulnerability. This vulnerability allows remote attackers to initiate arbitrary server-side requests on affected installations of NoMachine. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web service, which listens on UDP port 4443 by default. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to initiate requests in the context of the service account. Was ZDI-CAN-31619.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
NoMachine NoMachine nomachine_9.8.2_1_amd64.deb -

II. Public POCs for CVE-2026-92210

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III. Intelligence Information for CVE-2026-92210

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Other References for CVE-2026-92210 (1)

Same Patch Batch · NoMachine · 2026-10-21 · 4 CVEs total

CVE-2026-92208 NoMachine mDNS Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-92209 NoMachine Redis Improper Authentication Local Privilege Escalation Vulnerability
CVE-2026-111184 NoMachine Named Pipe Incorrect Permission Assignment Local Privilege Escalation Vulnerabil

IV. Related Vulnerabilities

Same product: NoMachine
Same vendor: NoMachine
Same weakness: CWE-918

V. Comments for CVE-2026-92210

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