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OpenAdvisories
High · 7.5 CVE-2026-44907 EUVD-2026-46307GHSA-wx67-qw84-cm4g

react-server-dom: Denial of Service in Server Functions

Published Jul 21, 2026 · Updated Jul 21, 2026 · Assigned by Meta

Description

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.7, 19.1.0 through 19.1.8, and 19.2.0 through 19.2.7).

Affected products

VendorProductAffectedFixed
Meta react-server-dom-turbopack 19.0.0 – ≤ 19.0.7, 19.1.0 – ≤ 19.1.8, 19.2.0 – ≤ 19.2.7 —
Meta react-server-dom-parcel 19.0.0 – ≤ 19.0.7, 19.1.0 – ≤ 19.1.8, 19.2.0 – ≤ 19.2.7 —
Meta react-server-dom-webpack 19.0.0 – ≤ 19.0.7, 19.1.0 – ≤ 19.1.8, 19.2.0 – ≤ 19.2.7 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm react-server-dom-parcel >= 19.1.0, < 19.1.9 19.1.9 GHSA-wx67-qw84-cm4g
npm react-server-dom-parcel >= 19.2.0, < 19.2.8 19.2.8 GHSA-wx67-qw84-cm4g
npm react-server-dom-turbopack >= 19.0.0, < 19.0.8 19.0.8 GHSA-wx67-qw84-cm4g
npm react-server-dom-turbopack >= 19.1.0, < 19.1.9 19.1.9 GHSA-wx67-qw84-cm4g
npm react-server-dom-turbopack >= 19.2.0, < 19.2.8 19.2.8 GHSA-wx67-qw84-cm4g
npm react-server-dom-webpack >= 19.0.0, < 19.0.8 19.0.8 GHSA-wx67-qw84-cm4g
npm react-server-dom-webpack >= 19.1.0, < 19.1.9 19.1.9 GHSA-wx67-qw84-cm4g
npm react-server-dom-webpack >= 19.2.0, < 19.2.8 19.2.8 GHSA-wx67-qw84-cm4g

References