CVE-2026-42342

A flaw was found in React Router and @remix-run/server-runtime. A remote attacker can exploit this vulnerability by sending certain crafted requests to the manifest endpoint. This can lead to unbounded path expansion, consuming disproportionate server resources. The primary consequence is a denia...

Cross-site Request Forgery (CSRF)

Overview @remix-run/server-runtime is a Server runtime for Remix Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to insufficient CSRF checks for PUT, PATCH, and DELETE document requests. An attacker can cause unauthorized state changes by tricking a user in...

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-2026-42342

React Router is a router for React. In versions 7.0.0 through 7.14.x of react-router and versions 2.10.0 through 2.17.4 of @remix-run/server-runtime, certain crafted requests can consume disproportionate server resources via unbounded path expansion in the manifest endpoint, resulting in response...

SUSE CVE-2026-22030

React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, 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...

CVE-2026-22030 React Router has CSRF issue in Action/Server Action Request Processing

React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, 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...

PT-2026-2138

Name of the Vulnerable Software and Affected Versions react-router versions 7.0.0 through 7.11.0 @remix-run/server-runtime versions prior to 2.17.3 Description React Router, used as a router for React applications, is susceptible to Cross-Site Request Forgery CSRF attacks. This affects document...