CVE-2025-55009

EUVD-2025-24030
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
GitHub_MCNA
7.1 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
Common Weakness Enumeration
References
https://github.com/workos/authkit-remix/commit/20102afc74bf3dd5150a975a098067fb406b90b6
https://github.com/workos/authkit-remix/releases/tag/v0.15.0
https://github.com/workos/authkit-remix/security/advisories/GHSA-v3gr-w9gf-23cx