CVE-2026-23870

State: Published
Severity: 7.5 High
Published: May 6, 2026
Updated: May 6, 2026
Reserved: Jan 16, 2026

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).

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Meta

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
react-server-dom-turbopackMeta	19.0.0 through 19.0.5Affected 19.1.0 through 19.1.6Affected 19.2.0 through 19.2.5Affected
react-server-dom-parcelMeta	19.0.0 through 19.0.5Affected 19.1.0 through 19.1.6Affected 19.2.0 through 19.2.5Affected
react-server-dom-webpackMeta	19.0.0 through 19.0.5Affected 19.1.0 through 19.1.6Affected 19.2.0 through 19.2.5Affected

References

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

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