CVE-2026-23870

Published: May 6, 2026Modified: Aug 12, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: cve-assign@fb.com (Secondary)

Description

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 (9)

Products: Facebook: React Server Dom Parcel, React Server Dom Turbopack, React Server Dom Webpack

Facebook

3 products

React Server Dom Parcel

React Server Dom Turbopack

React Server Dom Webpack

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Facebook React Server Dom Parcel	19.0.0 ≤ version ≤ 19.0.5
Facebook React Server Dom Parcel	19.1.0 ≤ version ≤ 19.1.6
Facebook React Server Dom Parcel	19.2.0 ≤ version ≤ 19.2.5
Facebook React Server Dom Turbopack	19.0.0 ≤ version ≤ 19.0.5
Facebook React Server Dom Turbopack	19.1.0 ≤ version ≤ 19.1.6
Facebook React Server Dom Turbopack	19.2.0 ≤ version ≤ 19.2.5
Facebook React Server Dom Webpack	19.0.0 ≤ version ≤ 19.0.5
Facebook React Server Dom Webpack	19.1.0 ≤ version ≤ 19.1.6
Facebook React Server Dom Webpack	19.2.0 ≤ version ≤ 19.2.5

Related CWEs

CWE-400

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (1)

https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh

Source: cve-assign@fb.com

Vendor Advisory

Timeline

No history available yet.