CVE-2026-16647 Disable Login Page - Moderately critical - Access bypass - SA-CONTRIB-2026-111

Medium 4.1 Published Updated

Attackers can bypass authentication in the Disable Login Page module, allowing unauthorized access to protected functionality.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-16647?

CVE-2026-16647 is a medium-severity authentication bypass vulnerability in Drupal Disable Login Page, published on 2 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

Weakness: CWE-288

Which versions are affected by CVE-2026-16647?

It affects 1 product.

Linux distribution packages (1)
drupal/disable_login Packagist:https://packages.drupal.org/8All versions1.1.4

Products include Zyxware Disable Login Page.

How do I fix CVE-2026-16647?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-16647 being exploited?

There is no known exploitation of CVE-2026-16647 in the wild and no public exploit code.

Sources

Also known as DRUPAL-CONTRIB-2026-111, GHSA-hcfp-75mm-jggh.

Is CVE-2026-16647 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free