Use of Web Browser Cache Containing Sensitive Information Affecting @auth0/nextjs-auth0 package, versions >=4.0.1 <4.6.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-AUTH0NEXTJSAUTH0-10302775
- published5 Jun 2025
- disclosed4 Jun 2025
- creditUnknown
Introduced: 4 Jun 2025
CVE-2025-48947 (opens in a new tab)How to fix?
Upgrade @auth0/nextjs-auth0 to version 4.6.1 or higher.
Overview
@auth0/nextjs-auth0 is a Next.js SDK for signing in with Auth0
Affected versions of this package are vulnerable to Use of Web Browser Cache Containing Sensitive Information due to the improper setting of __session and Set-Cookie headers in the auth0.middleware. An attacker can intercept and reuse session cookies by exploiting the caching mechanism of CDNs due to missing Cache-Control headers.
Note:
This is only exploitable if applications use CDN or edge caching that caches responses with the Set-Cookie header, and the Cache-Control header is not properly set for sensitive responses.