CVE-2025-61686

React Router is a router for React. In @react-router/node versions 7.0.0 through 7.9.3, @remix-run/deno prior to version 2.17.2, and @remix-run/node prior to version 2.17.2, if createFileSessionStorage is being used from @react-router/node or @remix-run/node/@remix-run/deno in Remix v2 with an...

CVE-2025-61686: Improper Limitation of a Pathname to a Restricted Directory

React Router is a router for React. In @react-router/node versions 7.0.0 through 7.9.3, @remix-run/deno prior to version 2.17.2, and @remix-run/node prior to version 2.17.2, if createFileSessionStorage is being used from @react-router/node or @remix-run/node/@remix-run/deno in Remix v2 with an...

Directory Traversal

Overview @remix-run/node is a Node.js platform abstractions for Remix Affected versions of this package are vulnerable to Directory Traversal via the createFileSessionStorage function. An attacker can access or modify files outside the intended session file directory by crafting a malicious sessi...