# CVE-2026-107371: Missing Verification of auth_time Claim in auth0.js

> CVE-2026-107371: Missing Verification of auth_time Claim in auth0.js. CVSS 5.4 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-107371
Last updated: 2026-10-15T20:38:04Z

- Published: 2026-10-13 20:08 UTC · Updated: 2026-10-15 20:38 UTC · Assigner: Okta
- CVSS: 5.4 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- EPSS: 0.21%, 11th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-613

## Description

When the authorize() method is called with a maxAge parameter, the auth0.js library does not validate the auth\_time claim in the resulting ID token against the requested maxAge value. As a result, an application may process an ID token that represents an authentication event older than the requested maximum age.

## Affected vendors and products

- Auth0: auth0.js

## Tracked companies

- [Auth0](https://rewindex.com/company/auth0.md)
- [Okta](https://rewindex.com/company/okta.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-107371)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-107371)
- [https://github.com/auth0/auth0.js/security/advisories/GHSA-42v6-5rcc-mq4v](https://github.com/auth0/auth0.js/security/advisories/GHSA-42v6-5rcc-mq4v)
- [https://trust.okta.com/security-advisories/missing-verification-of-auth\_time-claim-in-auth0-js-cve-2026-107371](https://trust.okta.com/security-advisories/missing-verification-of-auth_time-claim-in-auth0-js-cve-2026-107371)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-107371 · Markdown: https://rewindex.com/cve/CVE-2026-107371.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-107371 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:06:10.467Z