CVE-2025-55009

High

Description

The AuthKit library for Remix provides convenient helpers for authentication and session management using WorkOS & AuthKit with Remix. In versions 0.14.1 and below, @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.

SeverityHigh
CVSS7.1
Exploit probability—
Product@workos-inc/authkit-remix
PublishedAug 9, 2025
First seenAug 9, 2025

How to fix

Update
  • @workos-inc/authkit-remix0.15.0 or later

Affected products

ProductAffected versionsFixed in
@workos-inc/authkit-remixnpmv < 0.15.00.15.0

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CVE-2025-55009 · @workos-inc/authkit-remix · Dark Radar