{"id":"CVE-2026-102335","title":"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","summary":"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 s…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","cwe":["CWE-863"],"vendor":"NginxProxyManager","product":"nginx-proxy-manager","affected":["nginx-proxy-manager <= 2.16.0"],"published":"2026-09-28","updated":"2026-09-28","sourceUpdated":"2026-09-28T23:17:02.007","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102335","references":[{"url":"https://github.com/NginxProxyManager/nginx-proxy-manager","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.js#L52-L62","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.conf#L28","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NginxProxyManager/nginx-proxy-manager/issues/5749","label":"disclosure@vulncheck.com"},{"url":"https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-config","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-28T23:23:00.571Z","slug":"CVE-2026-102335","body":"## Overview\n\nNginx 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}