Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, the GetSettings API handler (api/settings/settings.go:24-65) serializes all settings structs to JSON and returns them to authenticated users. Many sensitive fields are tagged with protected:"true" - however, this tag is only enforced during writes (via ProtectedFill in SaveSettings) and is completely ignored during reads. This exposes 40+ protected fields including JwtSecret (enabling auth token forgery), NodeSecret (enabling cluster node impersonation), OIDC ClientSecret (enabling OAuth account takeover), and the IP whitelist configuration. This issue has been patched in version 2.3.8.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-q4w7-56hr-83rm Exploit, Vendor Advisory
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-q4w7-56hr-83rm Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · nginxuiNVD modified 2026-10-26 19:10
Affected (CPE criteria) 1
cpe:2.3:a:nginxui:nginx_ui:*:*:*:*:*:*:*:*
References 3
- https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8 Release Notes
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-q4w7-56hr-83rm Exploit, Vendor Advisory
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-q4w7-56hr-83rm Exploit, Vendor Advisory