CVE-2025-57822 Next.js Improper Middleware Redirect Handling Leads to SSRF

Next.js is a React framework for building full-stack web applications. Prior to versions 14.2.32 and 15.4.7, when next was used without explicitly passing the request object, it could lead to SSRF in self-hosted applications that incorrectly forwarded user-supplied headers. This vulnerability has...

CVE-2025-57822

CVE-2025-57822 (Next.js SSRF via next() in self-hosted environments) The connected documents confirm a concrete SSRF vulnerability in Next.js when next() is called without explicitly passing the request object, allowing headers to be forwarded insecurely in self-hosted middleware. Impact is descr...