CVE-2026-48619

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Score

CVSS 3.1 7.5 High

Status

Analyzed - support@hackerone.com

Published

2026-06-26

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