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GHSA-f3fg-mf2q-fj3f

NextJS-Auth0 SDK Vulnerable to CDN Caching of Session Cookies

Source: GitHub Advisory Database (reviewed) High CVE-2025-48947

Packages

EcosystemPackageAffectedFixed in
npm @auth0/nextjs-auth0 >= 4.0.1, < 4.6.1 4.6.1

Details

As written in the advisory (Markdown source, shown as plain text).

**Overview** In Auth0 Next.js SDK versions 4.0.1 to 4.6.0, __session cookies set by auth0.middleware may be cached by CDNs due to missing Cache-Control headers. **Am I Affected?** You are affected by this vulnerability if you meet the following preconditions: 1. Applications using the NextJS-Auth0 SDK, versions between 4.0.1 to 4.6.0, 2. Applications using CDN or edge caching that caches responses with the Set-Cookie header. 3. If the Cache-Control header is not properly set for sensitive responses. **Fix** Upgrade auth0/nextjs-auth0 to v4.6.1.

References

External links from the advisory. They lead to third-party sites.