cvedb.io
CVE-2026-40155
MEDIUM · CVSS 5.4
EPSS exploitation probability: 0%
Published 2026-04-17T21:16:33.713 · Last modified 2026-06-17T10:44:47.060

Summary

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. In versions 4.12.0 through 4.17.1, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Users are affected if their project uses both the vulnerable versions and the proxy handler /me/* and /my-org/* with DPoP enabled. This issue has been fixed in version 4.18.0.

Affected products

auth0 — nextjs-auth0

Does this affect you?

Add your gear to cvedb and we'll alert you only when auth0 ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.