CVE-2025-55008
High
Description
The AuthKit library for React Router 7+ provides helpers for authentication and session management using WorkOS & AuthKit with React Router. In versions 0.6.1 and below, @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 is fixed in version 0.7.0.
SeverityHigh
CVSS7.1
Exploit probability—
Product@workos-inc/authkit-react-router
PublishedAug 9, 2025
First seenAug 9, 2025
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- @workos-inc/authkit-react-router0.7.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @workos-inc/authkit-react-routernpm | v < 0.7.0 | 0.7.0 |
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