CVE-2026-102335
Nginx Proxy Manager through 2.16.0 fails to restrict the advanced_config field to administrators…
- Risk score
- 55/100
- CVSS
- 7.1 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 28 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 assi…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.1 high
- On your watchlist: nginx
References
- https://github.com/NginxProxyManager/nginx-proxy-manager
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.js#L52-L62
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.conf#L28
- https://github.com/NginxProxyManager/nginx-proxy-manager/issues/5749
- https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908
- https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-config
Original 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.
Last activity 28 Sep 2026. Patch Forecast updates every hour.