GHSA-XQ8M-7C5P-C2R6 Auth0 Next.js SDK has Improper Proxy Cache Lookup

Description In affected versions of the Next.js SDK, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Which Projects are Affected? Users are affected if they meet all of the following preconditions: -...

CVE-2026-40155

The CVE concerns the Auth0 Next.js SDK. Affected versions: 4.12.0–4.17.1. Issue: when multiple simultaneous requests trigger a nonce retry, the proxy cache fetcher may perform improper lookups for token request results. Impact: affects projects using both the vulnerable SDK versions and the proxy...