Auth bypass in Thorsten Phpmyfaq
CVE-2026-46365
phpMyFAQ before 4.1.2 contains a missing authorization vulnerability in the DELETE /admin/api/content/tags/{tagId} endpoint that allows any authenticated user to delete tags. Any logged-in user, including regular frontend users, can delete arbitrary tags by sending a DELETE request with a valid session cookie, resulting in permanent data loss and disruption of FAQ organization.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (20.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Thorsten Phpmyfaq — versions 0, 4.1.2
Weakness classification (CWE)
References
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7cx3-2qx2-3g6w (vendor-advisory)
- www.vulncheck.com/advisories/phpmyfaq-missing-authorization-in-tag-deletion-end… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-46365?
- CVE-2026-46365 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-05-15.
- How severe is CVE-2026-46365?
- Medium severity. CVSS v3 base score is 5.4 out of 10.