high7.7
CVE-2025-48947
NextJS-Auth0 SDK Vulnerable to CDN Caching of Session Cookies
Impact
**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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @auth0/nextjs-auth0 | >= 4.0.1, <= 4.6.0 | 4.6.1 |
Affected products
| Product | Affected versions |
|---|---|
| Auth0 Next.Js SDK Versions 4.0.1 | through 4.6.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.