CVE-2026-48619 Denial of service in node
A malicious server can cause a Node.js HTTP/2 client to crash via Out of Memory errors by sending unlimited ORIGIN frames.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-48619?
CVE-2026-48619 is a medium-severity denial of service vulnerability in Nodejs Node.js, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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: CWE-400
Which versions are affected by CVE-2026-48619?
2 open source packages ship an affected version, including node and node-min. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
node Bitnami | From 22.22.3 | 22.23.0, 24.17.0, 26.3.1 |
node-min Bitnami | From 22.22.3 | 22.23.0, 24.17.0, 26.3.1 |
Products include Nodejs Node.js.
How do I fix CVE-2026-48619?
Upgrade node to a fixed version for your release line: 22.23.0, 24.17.0 or 26.3.1.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-48619 being exploited?
There is no known exploitation of CVE-2026-48619 in the wild and no public exploit code.
Other vulnerabilities in Nodejs Node.js
Sources
Also known as ALPINE-CVE-2026-48619, AZL-91212, BELL-CVE-2026-48619, BIT-node-2026-48619, BIT-node-min-2026-48619, DEBIAN-CVE-2026-48619 and 6 more.