Description

A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack (versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4). The vulnerability is triggered by sending specially crafted HTTP requests to Server Function endpoints.The payload of the HTTP request causes excessive CPU usage for up to a minute ending in a thrown error that is catchable.

INFO

Published Date :

2026-04-08T19:11:08.418Z

Last Modified :

2026-04-08T19:56:22.791Z

Source :

Meta
AFFECTED PRODUCTS

The following products are affected by CVE-2026-23869 vulnerability.

Vendors Products
Facebook
  • React-server-dom-parcel
  • React-server-dom-turbopack
  • React-server-dom-webpack
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23869.

URL Resource
https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-23869 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-23869 cve-icon
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CVSS Vulnerability Scoring System

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