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.

Affected versions

You are affected if you meet all of the following preconditions:

• Applications using the auth0/nextjs-auth0 SDK, versions 4.12.0 to 4.17.0, and

• Applications using the proxy handler /me/* and /my-org/* with DPoP enabled.

Resolution

Upgrade Auth0/nextjs-auth0 version to version 4.18.0 or greater

Acknowledgements

Okta would like to thank Reynaldo Immanuel for their discovery and responsible disclosure.

CVE details

References

Improper Proxy Cache Lookup in the Auth0 Next.js SDK