9Router has an Authentication Bypass in Public LLM API via Spoofable X-9r-Real-Ip Header

Summary 9router determines whether an incoming request originates from localhost by trusting the X-9r-Real-Ip HTTP request header. This header is intended to be produced and sanitized exclusively by the bundled custom-server.js layer from the TCP socket address. In deployment modes where requests...

GHSA-5MJ8-GF6M-FHW8 9Router has an Authentication Bypass in Public LLM API via Spoofable X-9r-Real-Ip Header

Summary 9router determines whether an incoming request originates from localhost by trusting the X-9r-Real-Ip HTTP request header. This header is intended to be produced and sanitized exclusively by the bundled custom-server.js layer from the TCP socket address. In deployment modes where requests...

PT-2026-96820

Name of the Vulnerable Software and Affected Versions 9Router versions prior to 0.5.6 Description Deployments that allow requests to reach Next.js without the sanitizing custom-server.js wrapper trust the client-supplied X-9r-Real-Ip header. In src/dashboardGuard.js, the isLocalRequest function...