EUVD-2026-97830

Nginx UI OTP secure-session step-up is missing on sensitive mutation routes...

CVE-2026-84360 Nginx UI: OTP secure-session step-up can be bypassed via MCP configuration tools

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the HTTP configuration mutation routes require RequireSecureSession, but /mcp and /mcpmessage require only ordinary authentication before exposing nginxconfigadd and nginxconfigmodify. An OTP-enabled user with a normal JWT...

CVE-2026-84315 Nginx UI OTP secure-session step-up is missing on sensitive mutation routes

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, Nginx UI does not apply RequireSecureSession to multiple authenticated mutation routes even though OTP-enabled users are expected to present a fresh X-Secure-Session-ID for sensitive actions. A stolen authenticated session...

CVE-2026-84315: Missing Authorization

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, Nginx UI does not apply RequireSecureSession to multiple authenticated mutation routes even though OTP-enabled users are expected to present a fresh X-Secure-Session-ID for sensitive actions. A stolen authenticated session...

PT-2026-110977

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.4.1 Description An authentication bypass exists where the /mcp and /mcp message endpoints only require ordinary authentication, unlike other HTTP configuration mutation routes that require a secure session. This...