Security Advisory

CVE-2026-40155

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-17 20:54:38

Last updated 2026-04-20 14:57:32

Assigner GitHub_M

State PUBLISHED

Description

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.

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