CVE-2025-55008

AuthKit React Router: Sensitive auth data rendered in HTML

Published Aug 9, 2025 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-24029 The AuthKit React Router Library rendered sensitive auth data in HTML
Github GHSA Github GHSA GHSA-vqvc-9q8x-vmq6 The AuthKit React Router Library rendered sensitive auth data in HTML
History
Type Values Removed Values Added
First Time appeared Workos
Workos authkit
Vendors & Products Workos
Workos authkit
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title AuthKit React Router: Sensitive auth data rendered in HTML
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 11, 2025, 2:33 PM
Reserved
Aug 4, 2025, 5:34 PM
Status
Deferred
Published
Aug 9, 2025, 3:15 AM
Modified
Jun 17, 2026, 9:41 AM