CVE-2025-55183

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically...

CVE-2025-55184

A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafe...

CVE-2025-55183

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically...

CVE-2025-55184

CVE-2025-55184 is a pre-authentication Denial of Service vulnerability in React Server Components from versions 19.0.0 through 19.2.2 (affecting react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack). The issue arises from unsafe deserialization of HTTP payloads sent t...

CVE-2025-55184

A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafe...

CVE-2025-55184

A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafe...

@cedarjs/api-server (>=1.0.0-canary.12863, <=1.0.0-canary.12881), @cedarjs/cli (>=1.0.0-canary.12863, <=2.0.3-next.1) +10 more potentially affected by CVE-2025-55184 via react-server-dom-webpack (>=19.2.1, <=19.2.2)

react-server-dom-webpack NPM version =19.2.1, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...

CVE-2025-55184

A pre-authentication denial of service vulnerability exists in React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. The vulnerable code unsafe...

CVE-2025-55183

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically...

CVE-2025-55183

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically...

CVE-2025-55183

An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically...

CVE-2025-55183

CVE-2025-55183 is a source code disclosure vulnerability in React Server Components (RSC) Server Functions. A crafted HTTP request to a vulnerable Server Function may cause the server to return the full source code of that function when the argument is stringified. Affected are RSC versions 19.0....

Exploit for Deserialization of Untrusted Data in Facebook React

Next.js React Server Components RCE Exploit Exploits CVE-2025...

Exploit for Deserialization of Untrusted Data in Facebook React

React2Shell CVE-2025-55182 Visualization An interactive edu...

Exploit for Deserialization of Untrusted Data in Facebook React

CVE-2025-55182 React2Shell Exploit Overview CVE-2025-55...

React2Shell: Decoding CVE-2025-55182 – The Silent Threat in React Server Components

On December 3, 2025, a critical remote code execution RCE vulnerability, dubbed "React2Shell," was disclosed, impacting React Server Components and frameworks like Next.js. The flaw, CVE-2025-55182, could lead to full server takeover and is rated CVSS 10.0. It is under active exploitation, has be...

It didn’t take long: CVE-2025-55182 is now under active exploitation

On December 4, 2025, researchers published details on the critical vulnerability CVE-2025-55182, which received a CVSS score of 10.0. It has been unofficially dubbed React2Shell, as it affects React Server Components RSC functionality used in web applications built with the React library. RSC...

Exploit for Deserialization of Untrusted Data in Facebook React

CVE-2025-55182 Exploitation Tool A comprehensive security res...

Exploit for CVE-2025-66478

Next.js-RSC-RCE-Scanner-CVE-2025-66478 CVE-2025-66478 Next.js...

Meta React Server Components 安全漏洞

Meta React Server Components is a series of components from Meta USA. A security vulnerability exists in Meta React Server Components versions 19.0.0, 19.0.1, 19.1.0, 19.1.1, 19.1.2, 19.2.0, and 19.2.1, which stems from insecure deserialization of HTTP request loads and could lead to an infinite...