CVE-2026-102335
Nginx Proxy Manager through 2.16.0 Improper Authorization via advanced_config
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | nginxproxymanager |
| Product | nginx-proxy-manager |
| Published | Sep 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
NginxProxyManager / nginx-proxy-manager
0 ≤ 2.16.0
References
github.com: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/5749 github.com: https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908 github.com: https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.js#L52-L62 github.com: https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.conf#L28 github.com: https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36 github.com: https://github.com/NginxProxyManager/nginx-proxy-manager vulncheck.com: https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-config
Credits
Lazizbek Djurayev (Haad TC)