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Vulnerability record · CVE-2024-29901 · published 29 March 2024

CVE-2024-29901: Workos authkit-nextjs authentication bypass by capture-replay vulnerability

Workos · Authkit Nextjs

The AuthKit library for Next.js provides helpers for authentication and session management using WorkOS & AuthKit with Next.js. A user can reuse an expired session by controlling the `x-workos-session` header. The vulnerability is patched in v0.4.2.

8.1 CVSS 3.1 High EPSS 0.66% · top 50.5% CWE-294 · Authentication bypass by capture-replay
8.1CVSS 3.1 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The AuthKit library for Next.js provides helpers for authentication and session management using WorkOS & AuthKit with Next.js. A user can reuse an expired session by controlling the `x-workos-session` header. The vulnerability is patched in v0.4.2.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/workos/authkit-nextjs/commit/6c3f4f3179d66cbb15de3962792083ff3b244a01 Patch
https://github.com/workos/authkit-nextjs/releases/tag/v0.4.2 Release Notes
https://github.com/workos/authkit-nextjs/security/advisories/GHSA-35w3-6qhc-474v Vendor Advisory
https://github.com/workos/authkit-nextjs/commit/6c3f4f3179d66cbb15de3962792083ff3b244a01 Patch
https://github.com/workos/authkit-nextjs/releases/tag/v0.4.2 Release Notes
https://github.com/workos/authkit-nextjs/security/advisories/GHSA-35w3-6qhc-474v Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-29901), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.