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Exposure of Sensitive Information to an Unauthorized Actor

CVE-2025-55009

High
7.1/10

Summary

The AuthKit library for Remix provides convenient helpers for authentication and session management using WorkOS & AuthKit with Remix. In versions through 0.14.1, @workos-inc/authkit-remix exposed sensitive authentication artifacts specifically sealedSession and accessToken by returning them from the authkitLoader. This caused them to be rendered into the browser HTML.

  • 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