# CVE-2026-48931: Race condition in node

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

- **Severity:** Low 3.7 (`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 22 Jun 2026
- **Updated:** 3 Jul 2026
- **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, ECHO-e31b-3ef0-93b2, GHSA-w88c-7765-q5gg, MINI-2hf8-pw34-h5jp, MINI-5c6x-833f-cvh8, MINI-7635-9vv4-6hhp, MINI-8hm4-jrc4-3cff, MINI-r4mw-cqgr-88cc, UBUNTU-CVE-2026-48931

## 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 (Time-of-check Time-of-use (TOCTOU) Race Condition)

## 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.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `node` | Bitnami | All versions | 22.23.0, 24.17.0, 26.3.1 |
| `node-min` | Bitnami | All versions | 22.23.0, 24.17.0, 26.3.1 |

Products: 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.

## Other vulnerabilities in Nodejs Node.js

- [CVE-2023-32002](https://insights.sbomify.com/CVE-2023-32002/): Security feature bypass in Node (critical 9.8)
- [CVE-2016-6303](https://insights.sbomify.com/CVE-2016-6303/): Integer overflow in n/a (critical 9.8)
- [CVE-2017-15896](https://insights.sbomify.com/CVE-2017-15896/): Security feature bypass in Node.js (critical 9.1)
- [CVE-2018-7160](https://insights.sbomify.com/CVE-2018-7160/): Server-side request forgery in Node.js (high 8.8)
- [CVE-2018-12120](https://insights.sbomify.com/CVE-2018-12120/): Misconfiguration in Node.js (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-48931 and fix it if it is affected.

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

Affected packages and fixed versions:
- node (Bitnami): affected all versions; fixed in 22.23.0, 24.17.0, 26.3.1
- node-min (Bitnami): affected all versions; fixed in 22.23.0, 24.17.0, 26.3.1

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-48931/ (Markdown: https://insights.sbomify.com/CVE-2026-48931/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-48931
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-48931
- OSV: https://osv.dev/vulnerability/CVE-2026-48931

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-48931/
Summaries are generated and may contain mistakes; the official description above is the record.