The vulnerabilities of the React frontend building libraries React-server-dom-parcel, React-server-dom-turbopack, and React-server-dom-webpack allow attackers to cause service failures.

The vulnerability of the React frontend library packages react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack involves uncontrolled resource consumption. Exploiting this vulnerability can allow an attacker to cause service failures by sending specially crafted HTTP...

@cedarjs/api-server (>=1.0.0-canary.12863, <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12863, <=9.0.0-canary.1784) +16 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.2.0-canary-cee7939b-20250625, <=19.2.4)

react-server-dom-webpack NPM version =19.2.0-canary-cee7939b-20250625, =1.0.0-canary.12863, =1.0.0-canary.12863, =6.0.0-canary.2639, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =3.0.0-canary.13429, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...

NPM: Facebook React has a Denial of Service Vulnerability in React Server Components

NPM: Facebook React has a Denial of Service Vulnerability in React Server Components discovered by ? in WordPress Npm react-server-dom-webpack versions = 19.0.0, 19.0.6...

@amazeelabs/bridge-waku (>=1.1.0, <=2.0.1), @amazeelabs/executors (>=3.0.0, <=3.1.14) +52 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.0.0, <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.0, =3.0.0, =1.1.0, =1.1.0, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.0.4, =2.0.3-next.0 an...

Allocation of Resources Without Limits or Throttling

Overview react-server-dom-webpack is a React Server Components bindings for DOM using Webpack. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttli...

@amazeelabs/bridge-waku (>=1.1.0, <=2.0.1), @amazeelabs/executors (>=3.0.0, <=3.1.14) +52 more potentially affected by CVE-2026-23870 via react-server-dom-webpack (>=19.0.0, <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.0, =3.0.0, =1.1.0, =1.1.0, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.0.4, =2.0.3-next.0 an...

Allocation of Resources Without Limits or Throttling

Overview react-server-dom-parcel is a React Server Components bindings for DOM using Parcel. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling...

CVE-2026-23870

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,...

CVE-2026-23870

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,...

CVE-2026-23870

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,...

CVE-2026-23870: Undefined Security Weakness

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,...

VulnCheck KEV: 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, <=9.0.0-canary.1784), @cedarjs/cli (>=1.0.0-canary.12863, <=9.0.0-canary.1784) +16 more potentially affected by CVE-2026-23869 via react-server-dom-webpack (>=19.2.0-canary-cee7939b-20250625, <=19.2.4)

react-server-dom-webpack NPM version =19.2.0-canary-cee7939b-20250625, =1.0.0-canary.12863, =1.0.0-canary.12863, =6.0.0-canary.2639, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863, =3.0.0-canary.13429, =1.0.0-canary.12863, =1.0.0-canary.12863, =1.0.0-canary.12863,...

@amazeelabs/bridge-waku (>=1.1.0, <=2.0.1), @amazeelabs/executors (>=3.0.0, <=3.1.14) +52 more potentially affected by CVE-2026-23869 via react-server-dom-webpack (>=19.0.0, <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.0, =3.0.0, =1.1.0, =1.1.0, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.0.4, =2.0.3-next.0 an...

React Server Components have a Denial of Service Vulnerability

Impact A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack, react-server-dom-webpack versions 19.0.0, 19.1.0 and 19.2.0. The vulnerability is triggered by sending specially crafted HTTP requests...

K000160686: React framework vulnerability CVE-2026-23869

Security Advisory Description A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4. T...

@amazeelabs/bridge-waku (>=1.1.0, <=2.0.1), @amazeelabs/executors (>=3.0.0, <=3.1.14) +52 more potentially affected by CVE-2026-23869 via react-server-dom-webpack (>=19.0.0, <=19.0.1)

react-server-dom-webpack NPM version =19.0.0, =1.1.0, =3.0.0, =1.1.0, =1.1.0, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.9.1-next.19, =1.0.0-canary.12245, =1.0.0-canary.12245, =0.0.4, =2.0.3-next.0 an...

CVE-2026-23869

A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4. The vulnerability is triggered ...

CVE-2026-23869

A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4. The vulnerability is triggered ...

CVE-2026-23869

A denial of service vulnerability exists in React Server Components, affecting the following packages: react-server-dom-parcel, react-server-dom-turbopack and react-server-dom-webpack versions 19.0.0 through 19.0.4, 19.1.0 through 19.1.5, and 19.2.0 through 19.2.4. The vulnerability is triggered ...