High severity7.1NVD Advisory· Published Sep 28, 2026
CVE-2026-102335
CVE-2026-102335
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.
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Affected products
1- Range: <=2.16.0
Patches
Vulnerability mechanics
References
6- github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.mdnvd
- github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.jsnvd
- github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.confnvd
- github.com/NginxProxyManager/nginx-proxy-manager/issues/5749nvd
- github.com/NginxProxyManager/nginx-proxy-manager/pull/5908nvd
- www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-confignvd
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