Skip to main content
← All vulnerabilities
CVE-2026-23870GHSA-RV78-F8RC-XRXH

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lea

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 19.0.6, 19.1.7, 19.2.6
2 proofs of concept on GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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).

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Meta react-server-dom-turbopack

    From 19.0.0 · through 19.0.5; From 19.1.0 · through 19.1.6; From 19.2.0 · through 19.2.5

  • Meta react-server-dom-parcel

    From 19.0.0 · through 19.0.5; From 19.1.0 · through 19.1.6; From 19.2.0 · through 19.2.5

  • Meta react-server-dom-webpack

    From 19.0.0 · through 19.0.5; From 19.1.0 · through 19.1.6; From 19.2.0 · through 19.2.5

  • react-server-dom-parcelnpm

    From 19.0.0 · fixed in 19.0.6

  • react-server-dom-turbopacknpm

    From 19.0.0 · fixed in 19.0.6

  • react-server-dom-webpacknpm

    From 19.0.0 · fixed in 19.0.6

  • react-server-dom-parcelnpm

    From 19.1.0 · fixed in 19.1.7

  • react-server-dom-turbopacknpm

    From 19.1.0 · fixed in 19.1.7

  • react-server-dom-webpacknpm

    From 19.1.0 · fixed in 19.1.7

  • react-server-dom-parcelnpm

    From 19.2.0 · fixed in 19.2.6

  • react-server-dom-turbopacknpm

    From 19.2.0 · fixed in 19.2.6

  • react-server-dom-webpacknpm

    From 19.2.0 · fixed in 19.2.6

References 3

GitHub · facebook/react

GitHub · dwisiswant0/next-16.2.4-pocs

GitHub · emresandikci/nextjs-cve-2026-23870-checker