Vulnerability · Published Sep 2, 2026 · Assigned by drupal
CVE-2026-73477Quick Tabs - Moderately critical - Access bypass - SA-CONTRIB-2026-099
Medium 5.3
In plain English
A medium-severity incorrect authorization in Quick Tabs from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 75.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/quicktabs | 4.3.1 | DRUPAL-CONTRIB-2026-099 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Quick Tabs | 0.0.0 – before 4.3.1 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N