K000163007: Next.js vulnerability CVE-2026-44579

Security Advisory Description Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server...

next.js: Next.js: Denial of Service via crafted POST requests to server actions

A flaw was found in Next.js. Applications utilizing Partial Prerendering via the Cache Components feature are susceptible to connection exhaustion. A remote attacker can send crafted POST requests to a server action, triggering a request-body handling deadlock. This leaves connections open,...

CVE-2026-44579

A flaw was found in Next.js. Applications utilizing Partial Prerendering via the Cache Components feature are susceptible to connection exhaustion. A remote attacker can send crafted POST requests to a server action, triggering a request-body handling deadlock. This leaves connections open,...

CVE-2026-44579

Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected...

CVE-2026-44579 Next.js: Denial of Service via connection exhaustion in applications using Cache Components

Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected...

CVE-2026-44579 Next.js: Denial of Service via connection exhaustion in applications using Cache Components

Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected...

Next.js 安全漏洞

Next.js is a React framework open source by Vercel. Versions of Next.js prior to 15.5.16 and 16.2.5 have a security vulnerability. This vulnerability arises from using the Partial Prerendering feature of Cache Components. A specially crafted POST request to the server can lead to connection...

CVE-2026-44579: Allocation of Resources Without Limits or Throttling

Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected...

Allocation of Resources Without Limits or Throttling

Overview next is a react framework. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling involving Partial Prerendering in the Cache Components feature. An attacker can exhaust the connection pool by sending malicious POST requests that cause a...

Next.js vulnerable to Denial of Service via connection exhaustion in applications using Cache Components

Impact Applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected configurations, a malicious request can trigger a request-body handling deadlock that leaves connections ope...

GHSA-MG66-MRH9-M8JX Next.js vulnerable to Denial of Service via connection exhaustion in applications using Cache Components

Impact Applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to a server action. In affected configurations, a malicious request can trigger a request-body handling deadlock that leaves connections ope...

CVE-2026-27979

A denial of service flaw has been discovered in Next.js. 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...

CVE-2026-27979

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...

CVE-2026-27979

Next.js CVE-2026-27979 affects Next.js 16.0.1 through 16.1.6 in non-minimal deployments with Partial Prerendering enabled. A request containing the next-resume: 1 header can cause unbounded postponed-body buffering, consuming memory and enabling DoS. The issue is fixed in 16.1.7 by enforcing size...

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...

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...

CVE-2026-27979

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...

CVE-2026-27979: Allocation of Resources Without Limits or Throttling

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...

Allocation of Resources Without Limits or Throttling

Overview next is a react framework. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the unbounded postponed resume-body buffering behavior of the next-resume: 1 header. An attacker can cause excessive memory usage and disrupt service...

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...