CVE-2026-23869

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

April 08, 2026

Last Modified

April 10, 2026

CWE ID

CWE-400

Source

NVD

Vendor

External References

https://github.com/facebook/react/security/advisories/GHSA-479c-33wc-g2pg

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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