NPM: Next.js has cache poisoning in SSG/ISR rendering that leads to cross-user content substitution and persistent denial of service

NPM: Next.js has cache poisoning in SSG/ISR rendering that leads to cross-user content substitution and persistent denial of service vulnerability discovered by ? in WordPress Npm next versions = 15.0.0, 15.5.27...

CVE-2026-94484 Next.js: Cache poisoning in Next.js SSG/ISR rendering leads to cross-user content substitution and persistent denial of service

Next.js is a React framework for building full-stack web applications. From 15.0.0 until 15.5.27 and 16.3.8, applications with a root-level catch-all page and statically generated or Incremental Static Regeneration routes can use a shared response cache key that is insufficiently scoped to the...