CVE-2025-67716

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions 4.9.0 through 4.12.1 contain an input-validation flaw in the returnTo parameter, which could allow attackers to inject unintended OAuth query parameters into the Auth0 authorization request. Successful exploitation may result in tokens being issued with unintended parameters. This issue is fixed in version 4.13.0.

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/auth0/nextjs-auth0/commit/35eb321de3345ccf23e8c0d6f66c9f2f2f57d26c	Patch
https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-mr6f-h57v-rpj5	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:auth0:nextjs-auth0:*:*:*:*:*:node.js:*:*

History

14 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) El SDK de Auth0 para Next.js es una biblioteca para implementar la autenticación de usuarios en aplicaciones Next.js. Las versiones 4.9.0 a la 4.12.1 contienen una falla de validación de entrada en el parámetro returnTo, lo que podría permitir a los atacantes inyectar parámetros de consulta OAuth no deseados en la solicitud de autorización de Auth0. La explotación exitosa puede resultar en la emisión de tokens con parámetros no deseados. Este problema está corregido en la versión 4.13.0.

Information

Published : 2025-12-11 01:16

Updated : 2026-10-14 20:10

NVD link : CVE-2025-67716

Mitre link : CVE-2025-67716

CVE.ORG link : CVE-2025-67716

JSON object : View

Products Affected

auth0

nextjs-auth0

CWE

CWE-184

Incomplete List of Disallowed Inputs

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