CVE-2026-44579

Fixed in a distro release EPSS <1%CVSS 7.5

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 configurations, a malicious request can trigger a request-body handling deadlock that leaves connections open for an extended period, consuming file descriptors and server capacity until legitimate users are denied service. This vulnerability is fixed in 15.5.16 and 16.2.5.

Published 2026-05-13 · CVE record · OSV

Products: vercel next.js, Red Hat Streams for Apache Kafka 2.9.4, Red Hat Trusted Artifact Signer 1.3, Red Hat Trusted Artifact Signer 1.4, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat streams for Apache Kafka 3

Fixed upstream

Distro releases