CVE-2026-73477 Quick Tabs - Moderately critical - Access bypass - SA-CONTRIB-2026-099
An attacker can bypass access controls in the Drupal Quick Tabs module to view restricted content via forceful browsing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-73477?
CVE-2026-73477 is a medium-severity missing authorization vulnerability in Drupal Quick Tabs, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Incorrect Authorization vulnerability in Drupal Quick Tabs allows Forceful Browsing. This issue affects Quick Tabs versions: from 0.0.0 to 4.3.1.
Weakness: CWE-863
Which versions are affected by CVE-2026-73477?
It affects 1 product.
Linux distribution packages (1)
drupal/quicktabs Packagist:https://packages.drupal.org/8 | All versions | 4.3.1 |
Products include Quick Tabs Project Quick Tabs.
How do I fix CVE-2026-73477?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-73477 being exploited?
There is no known exploitation of CVE-2026-73477 in the wild and no public exploit code.
Other vulnerabilities in Drupal Quick Tabs
Sources
Also known as DRUPAL-CONTRIB-2026-099, GHSA-4j22-v3g2-gfc3.