CVE-2026-48931 Race condition in node

Low 3.7 Published Updated

A race condition in the Node.js HTTP Agent allows clients to accept responses before sending requests, potentially bypassing security controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-48931?

CVE-2026-48931 is a low-severity vulnerability in Nodejs Node.js, published on 22 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 Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Weakness: CWE-367

Which versions are affected by CVE-2026-48931?

2 open source packages ship an affected version, including node and node-min. It affects 1 product.

PackageAffectedFixed in
node BitnamiAll versions22.23.0, 24.17.0, 26.3.1
node-min BitnamiAll versions22.23.0, 24.17.0, 26.3.1

Products include Nodejs Node.js.

How do I fix CVE-2026-48931?

Upgrade node to a fixed version for your release line: 22.23.0, 24.17.0 or 26.3.1.

Is CVE-2026-48931 being exploited?

There is no known exploitation of CVE-2026-48931 in the wild and no public exploit code.

All Nodejs Node.js vulnerabilities

Sources

Also known as ALPINE-CVE-2026-48931, AZL-91206, BELL-CVE-2026-48931, BIT-node-2026-48931, BIT-node-min-2026-48931, DEBIAN-CVE-2026-48931 and 8 more.

Is CVE-2026-48931 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free