---
id: CVE-2025-55182
title: >-
  A pre-authentication remote code execution vulnerability exists in React
  Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the
  following packages: react-server-dom-parcel, react-server-dom-turbopack, and
  react-serve…
summary: >-
  A pre-authentication remote code execution vulnerability exists in React
  Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the
  following packages: react-server-dom-parcel, react-server-dom-turbopack, and
  react-serve…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-502
vendor: facebook
product: react
affected:
  - react = 19.0.0
  - react = 19.1.0
  - react = 19.1.1
  - react = 19.2.0
  - 'next.js >= 15.0.0, < 15.0.5'
  - 'next.js >= 15.1.0, < 15.1.9'
  - 'next.js >= 15.2.0, < 15.2.6'
  - 'next.js >= 15.3.0, < 15.3.6'
  - 'next.js >= 15.4.0, < 15.4.8'
  - 'next.js >= 15.5.0, < 15.5.7'
  - 'next.js >= 16.0.0, < 16.0.7'
  - next.js = 14.3.0
  - next.js = 15.6.0
  - next.js = 16.0.0
patched:
  - next.js 16.0.7
published: '2025-12-03'
updated: '2026-08-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55182'
references:
  - url: >-
      https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components
    label: cve-assign@fb.com
  - url: 'https://www.facebook.com/security/advisories/cve-2025-55182'
    label: cve-assign@fb.com
  - url: 'http://www.openwall.com/lists/oss-security/2025/12/03/4'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://news.ycombinator.com/item?id=46136026'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://aws.amazon.com/blogs/security/china-nexus-cyber-threat-groups-rapidly-exploit-react2shell-vulnerability-cve-2025-55182/
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55182
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - kev
  - in-the-wild
  - exploit-available
epss: 0.99802
epssPercentile: 0.99958
kev: true
kevDateAdded: '2025-12-05'
kevDueDate: '2025-12-12'
kevRansomware: true
exploited: true
exploitAvailable: true
ingestedAt: '2026-08-04T05:36:13.405Z'
exploits:
  exploitdb: true
  github: 458
  githubRepos:
    - 'https://github.com/mayank729/CVE-2025-55182-scanner'
    - 'https://github.com/pitufo1721/CVE-2025-55182-GodzillaMemoryShell'
    - 'https://github.com/alyaapm/CVE-2025-55182-shellinteractive'
  metasploit:
    - exploit/multi/http/react2shell_unauth_rce_cve_2025_55182
  nuclei:
    - CVE-2025-55182
  checkedAt: '2026-09-23T07:13:37.136Z'
---

## Overview

A pre-authentication remote code execution vulnerability exists in React Server Components versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafely deserializes payloads from HTTP requests to Server Function endpoints.

## Affected

- `react = 19.0.0`
- `react = 19.1.0`
- `react = 19.1.1`
- `react = 19.2.0`
- `next.js >= 15.0.0, < 15.0.5`
- `next.js >= 15.1.0, < 15.1.9`
- `next.js >= 15.2.0, < 15.2.6`
- `next.js >= 15.3.0, < 15.3.6`
- `next.js >= 15.4.0, < 15.4.8`
- `next.js >= 15.5.0, < 15.5.7`
- `next.js >= 16.0.0, < 16.0.7`
- `next.js = 14.3.0`
- `next.js = 15.6.0`
- `next.js = 16.0.0`

## Remediation

Upgrade past the affected range:

- `next.js 16.0.7`
