GHSA-wx67-qw84-cm4g

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

At a glance

Published
Updated
CVE
CVE-2026-44907
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

### Impact A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to out-of-memory exceptions or excessive CPU usage. We recommend updating immediately. The vulnerability exists in versions 19.0.0 through 19.0.7, 19.1.0 through 19.1.8, and 19.2.0 through 19.2.7 of: - react-server-dom-webpack - react-server-dom-parcel - react-server-dom-turbopack ### Patches Fixes were back ported to versions 19.0.8, 19.1.9, and 19.2.8. If you are using any of the above packages please upgrade to any of the fixed versions immediately. If your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.

Affected packages

PackageVersions
npm · react-server-dom-webpackintroduced 19.0.0, fixed 19.0.8
npm · react-server-dom-turbopackintroduced 19.0.0, fixed 19.0.8
npm · react-server-dom-turbopackintroduced 19.1.0, fixed 19.1.9
npm · react-server-dom-parcelintroduced 19.1.0, fixed 19.1.9
npm · react-server-dom-webpackintroduced 19.1.0, fixed 19.1.9
npm · react-server-dom-turbopackintroduced 19.2.0, fixed 19.2.8
npm · react-server-dom-parcelintroduced 19.2.0, fixed 19.2.8
npm · react-server-dom-webpackintroduced 19.2.0, fixed 19.2.8

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database