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).

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:facebook:react-server-dom-parcel::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-parcel::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-parcel::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-turbopack::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-turbopack::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-turbopack::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-webpack::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-webpack::::::node.js::*
	cpe:2.3:a:facebook:react-server-dom-webpack::::::node.js::*

History

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de denegación de servicio podría ser activada enviando solicitudes HTTP especialmente diseñadas a los puntos finales de función del servidor, esto podría llevar a caídas del servidor, excepciones por falta de memoria o uso excesivo de CPU; afectando los siguientes paquetes: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versiones 19.0.0 a 19.0.5, 19.1.0 a 19.1.6, y 19.2.0 a 19.2.5).

Information

Published : 2026-05-06 17:16

Updated : 2026-10-26 19:10

NVD link : CVE-2026-23870

Mitre link : CVE-2026-23870

CVE.ORG link : CVE-2026-23870

JSON object : View

Products Affected

facebook

react-server-dom-webpack
react-server-dom-parcel
react-server-dom-turbopack

CWE

CWE-400

Uncontrolled Resource Consumption

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