Skip to main content

Exposure of Sensitive Information to an Unauthorized Actor

CVE-2025-55008

High
7.1/10

Summary

The AuthKit library for React Router 7+ provides helpers for authentication and session management using WorkOS & AuthKit with React Router. The @workos-inc/authkit-react-router exposed sensitive authentication artifacts, specifically "sealedSession" and "accessToken" by returning them from the "authkitLoader". This caused them to be rendered into the browser HTML. This issue affects versions prior to 0.7.0.

  • HIGH
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • LOW

CWE-200 - Information Exposure

An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.

References

Advisory Timeline

  • Published