CVE-2025-57822 - CVE House

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Status published Medium CVE-2025-57822

Next.js Improper Middleware Redirect Handling Leads to SSRF

6.5 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from vercel

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Affected Vendor

vercel

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Affected Software

next.js

Vulnerable Versions:

< 14.2.32, < 15.4.7

Timeline

Official Publish: August 29th, 2025

Last Modified: September 2nd, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1213 Data from Information Repositories

T1005 Data from Local System

T1046 Network Service Discovery