Drupal File Force Download Extension up to 7.1.2 File Download hook_file_download access control

Summaryinfo

A vulnerability was found in Drupal File Force Download Extension up to 7.1.2. It has been classified as problematic. This issue affects the function hook_file_download of the component File Download. The manipulation of the argument Download leads to access control. This vulnerability is referenced as CVE-2026-110176. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Drupal File Force Download Extension up to 7.1.2. This issue affects the function hook_file_download of the component File Download. The manipulation of the argument download with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. The summary by CVE is:

The File Force Download module for Drupal 7 implements hook_file_download() to add a Content-Disposition header when a file URL carries the download query parameter. In Drupal 7, returning a non-empty header array from that hook is itself a grant of access to the file. In versions 7.1.0 through 7.1.2, the module only delegated to other modules' hook_file_download() implementations when the file was in the private scheme. For every other scheme it returned its headers without any check. An unauthenticated visitor who appended download=1 to the URL of a file in the temporary:// scheme, or in a stream wrapper supplied by another module, could retrieve the file, overriding the access checks that would otherwise have applied. Files in the public and private schemes are not affected.

It is possible to read the advisory at herodevs.com. The identification of this vulnerability is CVE-2026-110176 since 10/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 7.1.3 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• Drupal

Name

• File Force Download Extension

Version

• 7.1.0
• 7.1.1
• 7.1.2

License

• open-source

Website

• Vendor: https://www.drupal.org/

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