Report: CVE-2026-23869 - React Server Components Denial of Service Vulnerability

Report: CVE-2026-23869 - React Server Components Denial of Service Vulnerability

CVE ID :CVE-2026-23869 Published : April 8, 2026, 8:16 p.m. | 18 minutes ago 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. Severity: 7.5 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
April 8, 2026
Impact: denial of service