CVE-2026-27979 Next.js: Unbounded postponed resume buffering can lead to DoS

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, a request containing the next-resume: 1 header corresponding with a PPR resume request would buffer request bodies without consistently enforcing maxPostponedStateSize in...

GHSA-H27X-G6W4-24GQ Next.js: Unbounded postponed resume buffering can lead to DoS

Summary A request containing the next-resume: 1 header corresponding with a PPR resume request would buffer request bodies without consistently enforcing maxPostponedStateSize in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments...

Next.js: Unbounded postponed resume buffering can lead to DoS

Summary A request containing the next-resume: 1 header corresponding with a PPR resume request would buffer request bodies without consistently enforcing maxPostponedStateSize in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments...