CVE-2025-55008

HighCVSS 7.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 9, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2025-55008: High severity, CVSS 7.1 | Vulnix