CVE-2026-48937 A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame.

What is CVE-2026-48937?

CVE-2026-48937 is a medium-severity vulnerability in Nodejs Node.js, published on 18 Jun 2026.

Official description

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**.

Weakness: CWE-400

Which versions are affected by CVE-2026-48937?

2 open source packages ship an affected version, including node and node-min. It affects 1 product.

Products include Nodejs Node.js.

How do I fix CVE-2026-48937?

Upgrade node to a fixed version for your release line: 22.23.0 or 24.17.0.

Is CVE-2026-48937 being exploited?

There is no known exploitation of CVE-2026-48937 in the wild and no public exploit code.

Other vulnerabilities in Nodejs Node.js

• CVE-2023-32002 Security feature bypass in Node Critical 9.8
• CVE-2016-6303 Integer overflow in n/a Critical 9.8
• CVE-2017-15896 Security feature bypass in Node.js Critical 9.1
• CVE-2018-7160 Server-side request forgery in Node.js High 8.8
• CVE-2018-12120 Misconfiguration in Node.js High 8.1

All Nodejs Node.js vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2026-48937, AZL-91127, BELL-CVE-2026-48937, BIT-node-2026-48937, BIT-node-min-2026-48937, DEBIAN-CVE-2026-48937 and 9 more.