Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the serialization algorithm in the PrefetchPageLinks function. An attacker can cause a denial of service by supplying specially crafted user input that is reflected and processed...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect when certain URLs with path values starting with // are processed. An attacker can redirect users to external domains by supplying specially crafted protocol-relative URLs. Note: Users that utilise Declarative Mode are not...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect when certain URLs with path values starting with // are processed. An attacker can redirect users to external domains by supplying specially crafted protocol-relative URLs. Note: Users that utilise Declarative Mode are not...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the manifest endpoint. An attacker can exhaust server resources and cause service disruption by sending specially crafted requests that trigger unbounded path expansion. Note:...

Allocation of Resources Without Limits or Throttling

Overview @remix-run/server-runtime is a Server runtime for Remix Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the manifest endpoint. An attacker can exhaust server resources and cause service disruption by sending specially craft...

CVE-2026-40181

React Router is a router for React. In versions 7.0.0 through 7.14.0 and 6.7.0 through 6.30.3, certain URLs passed to the redirect function can trigger an open redirect to an external domain due to path values starting with // being reinterpreted as protocol-relative URLs. The level of impact...

CVE-2026-40181

React Router is a router for React. In versions 7.0.0 through 7.14.0 and 6.7.0 through 6.30.3, certain URLs passed to the redirect function can trigger an open redirect to an external domain due to path values starting with // being reinterpreted as protocol-relative URLs. The level of impact...

CVE-2026-40181 React Router's same-origin redirect with path starting // causes open redirect via protocol-relative URL reinterpretation

React Router is a router for React. In versions 7.0.0 through 7.14.0 and 6.7.0 through 6.30.3, certain URLs passed to the redirect function can trigger an open redirect to an external domain due to path values starting with // being reinterpreted as protocol-relative URLs. The level of impact...

CVE-2026-40181 React Router's same-origin redirect with path starting // causes open redirect via protocol-relative URL reinterpretation

React Router is a router for React. In versions 7.0.0 through 7.14.0 and 6.7.0 through 6.30.3, certain URLs passed to the redirect function can trigger an open redirect to an external domain due to path values starting with // being reinterpreted as protocol-relative URLs. The level of impact...

PT-2026-45832

Name of the Vulnerable Software and Affected Versions React Router versions 6.7.0 through 6.30.3 React Router versions 7.0.0 through 7.14.0 Description Certain URLs passed to the redirect function can trigger an open redirect to an external domain. This occurs because path values starting with //...

GHSA-H5CW-625J-3RXH React Router has CSRF issue in Action/Server Action Request Processing

React Router or Remix v2 is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. !NOTE This does not impact your application if you are using Declarative...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the improper origin checks of UI route submissions in server-side route action handlers in Framework Mode. An attacker can execute unauthorized actions by tricking a user into submitting a crafted...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the navigation redirect process for loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes. An attacker can execute arbitrary JavaScript code in the context of the user's browser by...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the navigation redirect process for loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes. An attacker can execute arbitrary JavaScript code in the context of the user's browser by...

GHSA-2W69-QVJG-HVJX React Router vulnerable to XSS via Open Redirects

React Router and Remix v1/v2 SPA open navigation redirects originating from loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes can result in unsafe URLs causing unintended javascript execution on the client. This is only an issue if developers are creating redirect paths...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Meta API in Framework Mode when generating script:ld+json tags during server-side rendering with untrusted content. An attacker can execute arbitrary JavaScript code by injecting malicious input into the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Meta API in Framework Mode when generating script:ld+json tags during server-side rendering with untrusted content. An attacker can execute arbitrary JavaScript code by injecting malicious input into the...