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CVE-2025-29927

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CVE-2025-29927

Published: Mar 21, 2025

Modified: Apr 8, 2025

PUBLISHED

CVSS v3.1

9.1

CRITICAL

Description

Next.js is a React framework for building full-stack web applications. Starting in version 1.11.4 and prior to versions 12.3.5, 13.5.9, 14.2.25, and 15.2.3, it is possible to bypass authorization checks within a Next.js application, if the authorization check occurs in middleware. If patching to a safe version is infeasible, it is recommend that you prevent external user requests which contain the x-middleware-subrequest header from reaching your Next.js application. This vulnerability is fixed in 12.3.5, 13.5.9, 14.2.25, and 15.2.3.

VendorProductVersions

vercel

next.js

affected
>= 11.1.4, < 12.3.5
affected
>= 14.0.0, < 14.2.25
affected
>= 15.0.0, < 15.2.3
affected
>= 13.0.0, < 13.5.9

Weaknesses (CWE)

CWE-285

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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