Next.js Improper Middleware Redirect Handling Leads to SSRF_CVE-2025-57822

6.5 / 10

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Description

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 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.

Basic Information

ID CVE-2025-57822

Source GitHub_M

Published Aug 29, 2025 at 21:33

Modified Aug 29, 2025 at 22:03

Affected Product

Vendor vercel

Product next.js

Version < 14.2.32

Affected Versions vercel next.js < 14.2.32
vercel next.js < 15.4.7

CWE Classification

CWE-918

References

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    "published": "2025-08-29T21:33:15.304Z",
    "modified": "2025-08-29T22:03:35.168Z",
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