Security Bulletin: React Server Components RCE (CVE-2025-55182) and related advisories

Summary React Server Components RCE vulnerability. Carbon React and related Carbon React based libraries are not related to this CVE. However, many product teams may depend on the affected libraries via frameworks or plugins. We strongly encourage all teams to verify and upgrade any affected...

GHSA-7GMR-MQ3H-M5H9 Denial of Service Vulnerability in React Server Components

Impact It was found that the fix to address CVE-2025-55184 in React Server Components was incomplete and does not prevent a denial of service attack in a specific case. We recommend updating immediately. The vulnerability exists in versions 19.0.2, 19.1.3, and 19.2.2 of: - react-server-dom-webpac...

Vulnerabilities fixed in React Server Components

Meta has fixed vulnerabilities in React Server Components Parcel, Turbopack and Webpack Specifically for versions 19.0.2, 19.1.3 and 19.2.2. The vulnerabilities are related to insecure deserialization of HTTP request payloads, which can lead to Denial-of-Service attacks and server hangs. This...

@cedarjs/api-server (>=1.0.0-canary.12879 <=1.0.0-canary.12881), @cedarjs/cli (>=1.0.0-canary.12879 <=1.0.0-canary.12881) +10 more potentially affected by CVE-2025-55183 +2 more via react-server-dom-webpack (=19.2.2)

react-server-dom-webpack NPM version =19.2.2 is affected by a known vulnerability. The following packages have a transitive dependency on react-server-dom-webpack and may be impacted: - @cedarjs/api-server =1.0.0-canary.12879, =1.0.0-canary.12879, =1.0.0-canary.12879, =1.0.0-canary.12879,...

Node.js React Server Components Denial of Service (CVE-2025-67779)

Multiple Node.js React Server Components packages are affected by a denial of service vulnerability. The following Node.js packages and versions are affected: - react-server-dom-webpack 19.0.2, 19.1.3, 19.2.2 - react-server-dom-parcel 19.0.2, 19.1.3, 19.2.2 - react-server-dom-turbopack 19.0.2,...

@cedarjs/api-server (>=1.0.0-canary.12863 <=3.0.0-canary.13332), @cedarjs/cli (>=1.0.0-canary.12863 <=3.0.0-canary.13332) +10 more potentially affected by CVE-2025-55183 +1 more via react-server-dom-webpack (>=19.2.1 <=19.2.3)

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,...

@amazeelabs/bridge-waku (>=1.1.9 <=2.0.1), @amazeelabs/executors (>=3.1.12 <=3.1.14) +18 more potentially affected by CVE-2025-55183 +1 more via react-server-dom-webpack (>=19.0.0 <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.9, =3.1.12, =1.4.7, =1.1.3, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859,...

@amazeelabs/bridge-waku (>=1.1.9 <=2.0.1), @amazeelabs/executors (>=3.1.12 <=3.1.14) +18 more potentially affected by CVE-2025-55184 via react-server-dom-webpack (>=19.0.0 <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.9, =3.1.12, =1.4.7, =1.1.3, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859,...

GHSA-2M3V-V2M8-Q956 Denial of Service Vulnerability in React Server Components

Impact There is a denial of service vulnerability in React Server Components. React recommends updating immediately. The vulnerability exists in versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1 of: - react-server-dom-webpack - react-server-dom-parcel - react-server-dom-turbopack...

@cedarjs/api-server (>=1.0.0-canary.12863 <=1.0.0-canary.12878), @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)

react-server-dom-webpack NPM version =19.2.1 is affected by a known vulnerability. The following packages have a transitive dependency on react-server-dom-webpack and may be impacted: - @cedarjs/api-server =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...

Denial of Service Vulnerability in React Server Components

Impact There is a denial of service vulnerability in React Server Components. React recommends updating immediately. The vulnerability exists in versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1 of: - react-server-dom-webpack - react-server-dom-parcel - react-server-dom-turbopack...

EUVD-2025-202879

Source Code Exposure Vulnerability in React Server Components...

@cedarjs/api-server (>=1.0.0-canary.12863 <=1.0.0-canary.12878), @cedarjs/cli (>=1.0.0-canary.12863 <=2.0.3-next.1) +10 more potentially affected by CVE-2025-55183 via react-server-dom-webpack (=19.2.1)

react-server-dom-webpack NPM version =19.2.1 is affected by a known vulnerability. The following packages have a transitive dependency on react-server-dom-webpack and may be impacted: - @cedarjs/api-server =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...

@amazeelabs/bridge-waku (>=1.1.9 <=2.0.1), @amazeelabs/executors (>=3.1.12 <=3.1.14) +18 more potentially affected by CVE-2025-55183 via react-server-dom-webpack (>=19.0.0 <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.9, =3.1.12, =1.4.7, =1.1.3, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859, =1.0.0-canary.12859,...

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...

PT-2025-50723

Name of the Vulnerable Software and Affected Versions React Server Components versions 19.0.0 through 19.2.1 react-server-dom-parcel versions 19.0.0 through 19.2.1 react-server-dom-turbopack versions 19.0.0 through 19.2.1 react-server-dom-webpack versions 19.0.0 through 19.2.1 Description A...

PT-2025-50722

Name of the Vulnerable Software and Affected Versions React versions 19.0.0 through 19.2.1 react-server-dom-parcel versions 19.0.0 through 19.2.1 react-server-dom-turbopack versions 19.0.0 through 19.2.1 react-server-dom-webpack versions 19.0.0 through 19.2.1 Description An information leak issue...