{"cve":"CVE-2026-23870","nvd":{"published":"2026-05-06T17:16:22.043","modified":"2026-10-26T19:10:00.163","status":"Analyzed","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh"],"products":["facebook:react-server-dom-parcel","facebook:react-server-dom-turbopack","facebook:react-server-dom-webpack"],"source":"nvd","synced_at":"2026-10-26T19:31:02.781428341+00:00"},"epss":{"cve":"CVE-2026-23870","score":0.01533,"percentile":0.74628,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-rv78-f8rc-xrxh","url":"https://osv.dev/vulnerability/GHSA-rv78-f8rc-xrxh","summary":"Facebook React has a Denial of Service Vulnerability in React Server Components","modified":"2026-05-11T15:11:34.985907Z","packages":[{"ecosystem":"npm","name":"react-server-dom-parcel","purl":"pkg:npm/react-server-dom-parcel","ranges":[">=19.0.0 <19.0.6"],"fixed":["19.0.6"]},{"ecosystem":"npm","name":"react-server-dom-turbopack","purl":"pkg:npm/react-server-dom-turbopack","ranges":[">=19.0.0 <19.0.6"],"fixed":["19.0.6"]},{"ecosystem":"npm","name":"react-server-dom-webpack","purl":"pkg:npm/react-server-dom-webpack","ranges":[">=19.0.0 <19.0.6"],"fixed":["19.0.6"]},{"ecosystem":"npm","name":"react-server-dom-parcel","purl":"pkg:npm/react-server-dom-parcel","ranges":[">=19.1.0 <19.1.7"],"fixed":["19.1.7"]},{"ecosystem":"npm","name":"react-server-dom-turbopack","purl":"pkg:npm/react-server-dom-turbopack","ranges":[">=19.1.0 <19.1.7"],"fixed":["19.1.7"]},{"ecosystem":"npm","name":"react-server-dom-webpack","purl":"pkg:npm/react-server-dom-webpack","ranges":[">=19.1.0 <19.1.7"],"fixed":["19.1.7"]},{"ecosystem":"npm","name":"react-server-dom-parcel","purl":"pkg:npm/react-server-dom-parcel","ranges":[">=19.2.0 <19.2.6"],"fixed":["19.2.6"]},{"ecosystem":"npm","name":"react-server-dom-turbopack","purl":"pkg:npm/react-server-dom-turbopack","ranges":[">=19.2.0 <19.2.6"],"fixed":["19.2.6"]},{"ecosystem":"npm","name":"react-server-dom-webpack","purl":"pkg:npm/react-server-dom-webpack","ranges":[">=19.2.0 <19.2.6"],"fixed":["19.2.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}