[IT-SecNots] [Security-news] Next.js - Critical - Access bypass - SA-CONTRIB-2025-122

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2025-122

Project: Next.js [1]
Date: 2025-December-03
Security risk: *Critical* 16 ∕ 25
AC:Basic/A:None/CI:Some/II:Some/E:Theoretical/TD:All [2]
Vulnerability: Access bypass

Affected versions: <1.6.4 || >=2.0.0 <2.0.1
CVE IDs: CVE-2025-13984
Description: 
This module enables integration between Next.js and Drupal for headless CMS
functionality.

When installed, the module automatically enables cross-origin resource
sharing (CORS) with insecure default settings (Access-Control-Allow-Origin:
*), overriding any services.yml CORS configuration. This allows any origin to
make cross-origin requests to the site without administrator knowledge or
consent.

This vulnerability affects all installations as there are no configuration
options to disable this behavior.

Solution: 
There are two steps to resolve the issue: Install the latest version and
review your configuration,

 1) Update the module:
     * If you use the Next.js module for Drupal 10 or 11, upgrade to Next.js
       2.0.1 [3].
     * If you use the Next.js module for Drupal 9 (1.x branch), upgrade to
       Next.js 1.6.4 [4].

 2) After upgrading, review the CORS configuration in
    sites/default/services.yml. (See this module's CORS.md for details.).
    This is especially important if you previously relied on the automatic
    CORS configuration.


Reported By: 
 * Mike Decker (pookmish) [5]

Fixed By: 
 * Brian Perry (brianperry) [6]
 * Rob Decker (rrrob) [7]

Coordinated By: 
 * Bram Driesen (bramdriesen) [8] provisional member of the Drupal Security
   Team
 * Greg Knaddison (greggles) [9] of the Drupal Security Team
 * Jess  (xjm) [10] of the Drupal Security Team

------------------------------------------------------------------------------
Contribution record [11]

[1] https://www.drupal.org/project/next
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/next/releases/2.0.1
[4] https://www.drupal.org/project/next/releases/1.6.4
[5] https://www.drupal.org/u/pookmish
[6] https://www.drupal.org/u/brianperry
[7] https://www.drupal.org/u/rrrob
[8] https://www.drupal.org/u/bramdriesen
[9] https://www.drupal.org/u/greggles
[10] https://www.drupal.org/u/xjm
[11]  
https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal.org/node/3561317

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