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. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**.

Score

CVSS 3.1 7.5 High

Status

Analyzed - support@hackerone.com

Published

2026-06-18

Last modified

2026-10-25

Weaknesses

CWE-400

Affected products

• Node (Nodejs)
• Node.js (Nodejs)

References

• https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
• https://hackerone.com/reports/3658225