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CVE-2025-57822
Good to know:
Date: August 29, 2025
Next.js is a React framework for building full-stack web applications. Prior to versions 14.2.32 and 15.4.7, when next() was used without explicitly passing the request object, it could lead to SSRF in self-hosted applications that incorrectly forwarded user-supplied headers. This vulnerability has been fixed in Next.js Middleware versions 14.2.32 and 15.4.7. All users implementing custom middleware logic in self-hosted environments are strongly encouraged to upgrade and verify correct usage of the next() function.
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918Top Fix
Upgrade Version
Upgrade to version next - 15.4.7;next - 14.2.32;https://github.com/vercel/next.js.git - v14.2.32;https://github.com/vercel/next.js.git - v15.4.7
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | LOW |
| Availability (A): | NONE |