Node.js HTTP/2 Client OOM via Unlimited ORIGIN Frames
CVE-2026-48619 Published on June 26, 2026
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**.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-48619 has been classified to as a Resource Exhaustion vulnerability or weakness.
Affected Versions
nodejs node:- Version 22.22.3, <= 22.22.3 is affected.
- Version 24.16.0, <= 24.16.0 is affected.
- Version 26.3.0, <= 26.3.0 is affected.