What is CVE-2026-73477?

CVE-2026-73477 is a medium-severity vulnerability in Drupal Quick Tabs, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-09-02.

How severe is CVE-2026-73477?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Drupal Quick Tabs

CVE-2026-73477

Incorrect Authorization vulnerability in Drupal Quick Tabs allows Forceful Browsing. This issue affects Quick Tabs versions: from 0.0.0 to 4.3.1.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Drupal Quick Tabs

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

mlhess@drupal.org

Frequently asked questions

What is CVE-2026-73477?: CVE-2026-73477 is a medium-severity vulnerability in Drupal Quick Tabs, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-09-02.
How severe is CVE-2026-73477?: Medium severity. CVSS v3 base score is 5.3 out of 10.