A security vulnerability has been identified in the Drupal Quick Tabs module, potentially allowing unauthorized access to certain areas. This issue, tracked as CVE-2026-73477, is categorized as an ‘Incorrect Authorization’ flaw, which means the module might not properly check if a user has the necessary permissions to view specific content. This could lead to what is known as ‘Forceful Browsing,’ where an attacker might be able to access pages or functionalities they shouldn’t.
This vulnerability affects several versions of the Quick Tabs module for Drupal, and it’s crucial for administrators and developers to be aware of the potential risks and to take appropriate action to secure their websites.
CVE Details
This vulnerability specifically impacts the Quick Tabs module within Drupal. It was officially published on September 2, 2026, and was last modified on September 16, 2026. The issue is considered a Medium severity threat.
- Product: Quick Tabs (for Drupal)
- Published Date: September 2, 2026
- Severity: Medium
- Status: Analyzed
Affected Products
The Incorrect Authorization vulnerability affects all versions of the Quick Tabs module starting from version 0.0.0 up to and including version 4.3.1. If your Drupal website uses the Quick Tabs module within this version range, it is considered vulnerable.
- Quick Tabs versions: 0.0.0 to 4.3.1 (inclusive)
Current Status
The vulnerability, CVE-2026-73477, has been ‘Analyzed.’ This means that security researchers and relevant parties have investigated the issue and understand its nature and potential impact. While the analysis is complete, specific patch details were not readily available through the provided public reference at the time of this writing.
Severity Level
The vulnerability has been assigned a ‘Medium’ severity rating. A medium severity indicates that while the vulnerability could be exploited, it might require certain conditions to be met, or its impact might be limited compared to critical flaws. In this case, an incorrect authorization issue could allow attackers to bypass intended access controls, potentially leading to information disclosure or unauthorized actions if exploited via forceful browsing. This could compromise the privacy or integrity of certain sections of your website.
Possible Solutions
At the moment, detailed information regarding specific patches or immediate mitigation steps for this particular vulnerability was not available from the primary reference. However, as a general best practice for any module vulnerability in Drupal, it is highly recommended to:
- Monitor Official Channels: Regularly check the official Drupal security advisories and the Quick Tabs project page on Drupal.org for updates, security patches, or new releases that address this vulnerability.
- Update Promptly: Once a fix or a new, secure version of Quick Tabs is released, update your module immediately to the recommended version.
- Implement Least Privilege: Ensure that all users and roles on your Drupal site have only the minimum necessary permissions required to perform their tasks.
- Review Access Control: Periodically review your website’s access control settings and permissions for all content and functionalities, especially those handled by modules like Quick Tabs.
References
https://www.drupal.org/sa-contrib-2026-099
