CVE-2025-55182

critical

Description

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.

From the Tenable Blog

CVE-2025-55182: Frequently Asked Questions About React2Shell: React Server Components Remote Code Execution Vulnerability
CVE-2025-55182: Frequently Asked Questions About React2Shell: React Server Components Remote Code Execution Vulnerability

Published: 2025-12-04

React2Shell: A critical React flaw allowing unauthenticated RCE. Impacts include Next.js, React Router, and apps using Server Components.

References

https://securelist.com/vulnerabilities-and-exploits-in-q2-2026/121091/

https://securityaffairs.com/196182/malware/dysphoria-botnet-uses-blockchain-domains-to-hide-c2-infrastructure.html

https://www.bleepingcomputer.com/news/security/new-dysphoria-ddos-botnet-spreads-to-200k-devices-worldwide/

https://socket.dev/blog/nextjs-moves-to-scheduled-security-releases

https://unit42.paloaltonetworks.com/the-gentlemen-ransomware/

https://securityaffairs.com/194741/cyber-crime/fbi-teampcp-compromised-dev-tools-to-steal-cloud-credentials.html

https://thehackernews.com/2026/06/new-sharkloader-malware-deploys-cobalt.html

https://webflow.sysdig.com/blog/the-fulcrumsec-playbook-how-to-detect-and-stop-the-group-behind-the-novo-nordisk-breach

https://securelist.com/strikeshark-campaign/120326/

https://securelist.com/container-security-typical-issues/119974/

https://hackread.com/rondodox-botnet-2018-vulnerability-hijack-asus-routers/

https://www.securityweek.com/pcpjack-worm-removes-teampcp-infections-steals-credentials/

https://www.bleepingcomputer.com/news/security/new-pcpjack-worm-steals-credentials-cleans-teampcp-infections/

https://thehackernews.com/2026/05/pcpjack-credential-stealer-exploits-5.html

https://thehackernews.com/2026/05/china-linked-hackers-target-asian.html

https://thehackernews.com/2026/04/over-1000-exposed-comfyui-instances.html

https://blog.talosintelligence.com/year-in-review-vulnerabilities-old-and-new-and-something-react2/

https://www.darkreading.com/cyberattacks-data-breaches/automated-credential-harvesting-campaign-react2shell

https://unit42.paloaltonetworks.com/modern-kubernetes-threats/

https://www.bleepingcomputer.com/news/security/hackers-exploit-react2shell-in-automated-credential-theft-campaign/

https://www.securityweek.com/react2shell-exploited-in-large-scale-credential-harvesting-campaign/

https://thehackernews.com/2026/04/hackers-exploit-cve-2025-55182-to.html

https://storage.ghost.io/c/af/a0/afa04ee3-414f-4481-8d23-7e7c146f192e/content/files/2026/03/2025YiR-report.pdf

https://blog.talosintelligence.com/uat-10608-inside-a-large-scale-automated-credential-harvesting-operation-targeting-web-applications/

https://www.vulncheck.com/blog/return-of-the-kinsing

https://www.helpnetsecurity.com/2026/03/24/enterprise-vulnerability-exploitation-cybersecurity-threats/

https://securityaffairs.com/189569/malware/rondodox-botnet-expands-arsenal-targeting-174-flaws-and-hits-15000-daily-exploit-attempts.html

https://www.bitsight.com/blog/rondodox-botnet-infrastructure-analysis

https://www.infosecurity-magazine.com/news/cloud-attackers-prefer-exploits/

https://www.helpnetsecurity.com/2026/02/25/edge-infrastructure-attacks-internet-wide-exploitation/

https://thehackernews.com/2026/02/wormable-xmrig-campaign-uses-byovd.html

https://www.databreachtoday.com/ai-generated-malware-exploits-react2shell-for-tiny-profit-a-30734

https://thehackernews.com/2026/02/teampcp-worm-exploits-cloud.html

https://thehackernews.com/2026/02/hackers-exploit-react2shell-to-hijack.html

https://www.securityweek.com/cryptominers-reverse-shells-dropped-in-recent-react2shell-attacks/

https://www.greynoise.io/blog/unmasking-cisas-hidden-kev-ransomware-updates

https://github.com/iapetus12/hackcar-writeup

https://github.com/r3vpwnx/CVE-2025-55182

https://github.com/Bluex707/React2Shell-CVE-2025-55182-Exploit

https://github.com/ChrisBarack/cve-2025-55182

https://github.com/Mr-Destroyer/CVE-2025-55182

https://github.com/h3n1s3/React2shell-Research

https://github.com/VOE9/cve-explain

https://github.com/kevin9480/Security_incident_report

https://github.com/balochkainat160-cyber/cs50-cybersecurity

https://github.com/dotnetguard/CVE-2025-55182-Exploit

https://github.com/CerberusMrXi/CVE-2025-55182-Advanced-React-Server-Components-RCE-Exploit

https://github.com/0xdak/CVE-2025-71389_exploit

https://github.com/brian-mitchell-sec/http-bait

https://github.com/6t2kydmp8k-jpg/CVE-2025-55182-Vulnerability-Proof-of-Concept-Group-Project-

https://github.com/Jeanback1/exploit-vault

https://github.com/PedroPLCode/CVE-2025-55182_react2shell_exploit.py

https://github.com/se1zer/Nextjs_Exploit_Tool

https://github.com/amnsecurity/reactorwatch-pentest

https://github.com/RootEvil333/CVE-2025-55182

https://github.com/smadonkuan/CVE-LAb

https://github.com/diamorphine666/React2shell-CVE-2025-55182-Exploit

https://github.com/k1llmelira/react2shell-exploit

https://github.com/ev1Ndxrk3e01/public-cve-research

https://github.com/qux-bbb/CVE_exp

https://github.com/Neverland-lcl/Security_OS_CVE

https://github.com/Neverland-lcl/Security_OS

https://github.com/Alejandro609x/JEFAZO-CVE-2025-55182-Checker

https://github.com/AkhmadKholmurodov/React2Shell_Exploit

https://github.com/HaakimSec/zero2shell-50

https://github.com/coldpaper1/react2shell-cve-demo

https://github.com/rvzsec/react2shell

https://github.com/yurahshell/CVE-2025-55182

https://github.com/tanvirahmedcs/CVE-2025-55182

https://github.com/hakkuri01/r2rs

https://github.com/LuizHenz/PoC-CVE-2025-55182

https://github.com/sonnycroco/HTB-Reactor-Linux-Machine---Walkthrough

https://github.com/Jeanback1/react-rsc-cve-2025-55182-lab

https://github.com/lvx9101-ux/CVE-2025-55182

https://github.com/ZeroTrustWraith/Exploit-PoC

https://github.com/Jenderal92/CVE-2025-55182-React2shell

https://github.com/w3nch/CVE-2025-55182-in-go

https://github.com/spabam/exploits

https://github.com/SoWiEee/CVE-Research

https://github.com/Industri4l-H3ll-Xpl0it3rs/CVE-2025-55182-React2Shell

https://github.com/MuharremK0/Info-Sys-Security-CVE-2025-55182

https://github.com/K3ysTr0K3R/CVE-2025-55182-EXPLOIT

https://github.com/Theori-lO/reactguard

https://github.com/dbwlsdnr95/CVE-Research

https://github.com/shibaaa204/React2Shell

https://github.com/joaoreis13/flight-risk

https://github.com/nextgensoumen/soc-pulse

https://github.com/Mohamedniane/cve-2025-55182-analysis

https://github.com/Esther-tec/cyber-threat-honeypot-system

https://github.com/opsecramdan/react2shell-cve-2025-55182

https://github.com/RewantChaudhari/nextjs-rce-incident-response

https://github.com/kaxm23/rust-cve-2025-55182-scanner

https://github.com/kaxm23/CVE-2025-55182-Auto-Scanner

https://github.com/masterwok/CVE-2025-55182-React2Shell-PoC

https://github.com/porsellaj/cve-2025-55182-react2shell-analysis

https://github.com/aliksir/nextjs-security-scanner

https://github.com/hujiaozhuzhu/CVE-2025-55182_liyon

https://github.com/yashbarot/security-scanner

https://github.com/Noumenon-ai/cve-guard

https://github.com/madetech/cve-scanner

https://github.com/Su1ph3r/vercelsior

https://github.com/l0lsec/cve-2025-55182-lab

https://github.com/devianntsec/CVE-2025-55182

https://github.com/luoluoqingge/CVE-2025-55182

https://github.com/nexxp90/CVE-2025-55182_RCE_Exploit

https://github.com/namoussa2/cve-exploitation-arsenal

https://github.com/namoussa2/scanner-ultimate

https://github.com/EvanThomasLuke/HACK-AGI-CONTAINERS

https://github.com/wnaspy/CVE-POC-WEAPON

https://github.com/luoqichen/CVE-2025-55182-POC

https://github.com/DeDnY/CVE-2025-55182-in-docker

https://github.com/InferiorAK/CVE-2025-55182-React2Shell-Async-Scanner

https://github.com/Agentpathogene/CTf-CVE.py

https://github.com/MrMahile/MassScanning-CVE-2025-55182

https://github.com/revasec/CVE-2025-55182-Interactive-mode

https://github.com/alptexans/RSC-Detect-CVE-2025-55182

https://github.com/Yusril-git/React2Shell-Wazuh-Detection

https://github.com/zaryouhashraf/CVE-2025-55182

https://github.com/0xAshwesker/CVE-2025-55182

https://github.com/yadavnikhil17102004/CVE_Map_hehe

https://github.com/H4R335HR/reactshell

https://github.com/donghass/CVE-Vulnerability-analysis-reports

https://github.com/Wyl-cmd/CVE-2025-55182

https://github.com/BIG02-bot/React2Shell-CVE-2025-55182-An-lise-T-cnica

https://github.com/souza472/exploit-cve-2025

https://github.com/BrianLopezM99/react2shell-CVE-2025-55182

https://github.com/MuhammadUwais/React2Shell

https://github.com/woorifisa-service-dev-6th/tech-seminar-React2Shell

https://github.com/wnaspy/CVE-2025-55182

https://github.com/deepankarkumar1/CVE-2025-55182_Vulnerable-Application

https://github.com/Nullsecur1ty/React2shell-RCE-MassScanner

https://github.com/0xi6r/exploit-primitives

https://github.com/AsadAhmad-1337/React-2-Shell

Details

Source: Mitre, NVD

Published: 2025-12-03

Updated: 2026-08-04

Named Vulnerability: React2ShellKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.99802

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest