Skip to content
OktaOKTA-070EKHH

Improper Proxy Cache Lookup in the Auth0 Next.js SDK CVE-2026-40155 - Apr 17, 2026

UnratedCVE-2026-40155 · Published Apr 17, 2026

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. To remediate, upgrade Auth0/nextjs-auth0 version to version 4.18.0 or greater.

Okta advisory

Affected versions

The source does not list versions here. See the source advisory for affected products and fixes.
Details and references

More Okta advisories

All Okta

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.