CVE-2026-23870
High · 7.5CVSS
7.5
EPSS
1.5%
Published
May 6, 2026
CISA due date
—
The record
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).
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | react-server-dom-parcel | 19.0.0 | 19.0.6 |
| npm | react-server-dom-parcel | 19.1.0 | 19.1.7 |
| npm | react-server-dom-parcel | 19.2.0 | 19.2.6 |
| npm | react-server-dom-turbopack | 19.0.0 | 19.0.6 |
| npm | react-server-dom-turbopack | 19.1.0 | 19.1.7 |
| npm | react-server-dom-turbopack | 19.2.0 | 19.2.6 |
| npm | react-server-dom-webpack | 19.0.0 | 19.0.6 |
| npm | react-server-dom-webpack | 19.1.0 | 19.1.7 |
| npm | react-server-dom-webpack | 19.2.0 | 19.2.6 |
Related vulnerabilities
- GHSA-rv78-f8rc-xrxh Facebook React has a Denial of Service Vulnerability in React Server Components Same vulnerability
- GHSA-479c-33wc-g2pg React Server Components have a Denial of Service Vulnerability Also affects react-server-dom-parcel
- CVE-2026-23869 A denial of service vulnerability exists in React Server Components, affecting the… Also affects react-server-dom-parcel
- GHSA-83fc-fqcc-2hmg React Server Components have multiple Denial of Service Vulnerabilities Also affects react-server-dom-parcel
- CVE-2026-23864 Multiple denial of service vulnerabilities exist in React Server Components, affecting… Also affects react-server-dom-parcel
- GHSA-7gmr-mq3h-m5h9 Denial of Service Vulnerability in React Server Components Also affects react-server-dom-parcel
- CVE-2025-67779 Denial of Service Vulnerability in React Server Components Also affects react-server-dom-parcel
- GHSA-2m3v-v2m8-q956 Denial of Service Vulnerability in React Server Components Also affects react-server-dom-parcel