CVE-2026-23870

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).

Affected products

React-Server-Dom-Parcel, React-Server-Dom-Turbopack, React-Server-Dom-Webpack

Facebook React-server-dom-parcel

≤ 19.0.5, 19.1.6, 19.2.5

Facebook React-server-dom-turbopack

≤ 19.0.5, 19.1.6, 19.2.5

Facebook React-server-dom-webpack

≤ 19.0.5, 19.1.6, 19.2.5

CVSS 3.1

7.5 HIGH

EPSS

1.5% (73th percentile)

Weakness

CWE-400

NVD status

Analyzed

Published

2026-05-06