CVE-2026-102335— Nginx Proxy Manager through 2.16.0 Improper Authorization via advanced_config
Quick assessment
Affected
NginxProxyManager nginx-proxy-manager
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.
在 Nginx Proxy Manager 2.16.0 及更早版本中，advanced_config 字段未限制为仅管理员可访问，导致拥有管理权限的非管理员用户也可以注入任意的 Nginx 指令。攻击者可以注入恶意的 Nginx 配置（例如 alias 指令），以提供任意文件，或对其所分配的主机控制路由。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-102335
Vulnerability Information
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Vulnerability Title
Nginx Proxy Manager through 2.16.0 Improper Authorization via advanced_config
Source: CVE Program / CVE List V5
Vulnerability Description
Nginx Proxy Manager through 2.16.0 fails to restrict the advanced_config field to administrators, allowing non-admin users with manage permissions to inject arbitrary nginx directives. Attackers can inject malicious nginx configuration such as alias directives to serve arbitrary files or control routing for their assigned hosts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NginxProxyManager | nginx-proxy-manager | 0 ~ 2.16.0 | - |
|
II. Public POCs for CVE-2026-102335
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-102335 (6)
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https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36 technical-description
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-102335
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