CVE-2026-53667 React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for CVE-2026-53667)

React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs...

CVE-2026-53667 React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for CVE-2026-53667)

React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs...

EUVD-2026-49628

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666 React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666 React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666

CVE-2026-53666 affects React Router versions 6.4.0 through 7.17.0 where attacker-supplied input could overwrite parts of errors captured during SSR, enabling arbitrary constructor execution on the client and triggering outbound network requests. This requires specific, unlikely application-layer ...

CVE-2026-53666 React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

CVE-2026-53666

React Router is a router for React. In versions 6.4.0 through 7.17.0, if application code was written in a way that allows attacker-supplied input to overwrite certain aspects of errors caught by the SSR process, then it was possible for an attacker to trigger unexpected constructor execution on...

Exploit for Deserialization of Untrusted Data in Facebook React

Tìm hiểu về React Server Components và giao thức Flight REac...

Malicious code in @thone33/react-helpers (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 656fe3d401e0d4fed0ad443f49971c4e173132d173cc7eb443a1ccca731bc5cf Package @thone33/[email protected] was scanned and no a static rule matches or behavioral findings were produced. No evidence of credential access,...

MAL-2026-11078 Malicious code in @thone33/react-helpers (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 656fe3d401e0d4fed0ad443f49971c4e173132d173cc7eb443a1ccca731bc5cf Package @thone33/[email protected] was scanned and no a static rule matches or behavioral findings were produced. No evidence of credential access,...

Open Redirect

React Router is vulnerable to Open Redirect. The vulnerability is due to improper handling of backslashes in and useNavigate, allowing attackers to bypass redirect validation and redirect users to attacker-controlled websites...

Denial Of Service

React Router is vulnerable to Denial Of Service. The vulnerability is due to insufficient protection of the manifest endpoint, where unauthenticated targeted requests can generate excessive server load, allowing attackers to degrade application performance and slow response times...

MAL-2026-11059 Malicious code in pp-react-ui5 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector fee26042aed9ed8c50ffaa9b8fd40df265099c14441c38542bbfce3c529ceef3 Analysis of [email protected] 4 files surfaced no behaviors matching supply-chain attack classes: no lifecycle scripts fetching or executing remote...

Malicious code in pp-react-ui5 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector fee26042aed9ed8c50ffaa9b8fd40df265099c14441c38542bbfce3c529ceef3 Analysis of [email protected] 4 files surfaced no behaviors matching supply-chain attack classes: no lifecycle scripts fetching or executing remote...

NPM: react-server-dom: Denial of Service in Server Functions

NPM: react-server-dom: Denial of Service in Server Functions vulnerability discovered by ? in WordPress Npm react-server-dom-turbopack versions = 19.0.0, 19.0.8...

@cedarjs/api-server (>=1.0.0-canary.12863, <=9.0.0-canary.1784), @cedarjs/api-server-watch (>=6.0.0-canary.2828, <=6.0.0-canary.2930) +19 more potentially affected by CVE-2026-44907 via react-server-dom-webpack (>=19.2.0-canary-cee7939b-20250625, <=19.2.7)

react-server-dom-webpack NPM version =19.2.0-canary-cee7939b-20250625, =1.0.0-canary.12863, =6.0.0-canary.2828, =1.0.0-canary.12863, =5.0.4-next.167, =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,...

@cedarjs/api-server (>=1.0.0-canary.12863, <=9.0.0-canary.1784), @cedarjs/api-server-watch (>=6.0.0-canary.2828, <=6.0.0-canary.2930) +19 more potentially affected by CVE-2026-44907 via react-server-dom-webpack (>=19.2.0-canary-cee7939b-20250625, <=19.2.7)

react-server-dom-webpack NPM version =19.2.0-canary-cee7939b-20250625, =1.0.0-canary.12863, =6.0.0-canary.2828, =1.0.0-canary.12863, =5.0.4-next.167, =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,...

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...

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...