CVE-2026-48619: Node.js

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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**.

Affected products

• Node.js Node.js: version 22.22.3 only; version 24.16.0 only; version 26.3.0 only

Published 2026-06-26. Last modified 2026-06-26.