What is CVE-2026-111889?

CVE-2026-111889 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-17.

How severe is CVE-2026-111889?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Thorsten Phpmyfaq

CVE-2026-111889

phpMyFAQ from 4.1.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a missing authorization vulnerability in the admin dashboard that allows authenticated users without admin rights to view restricted data. Attackers with any activated account can request /admin/index.php/ to read unpublished FAQ questions, admin edit URLs, recent user identities, and site statistics.

Vulnerability class: Broken Access Control

Published 2026-10-17 · last modified 2026-10-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Thorsten Phpmyfaq

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-4378-pcwq-fc29 (vendor-advisory)
www.vulncheck.com/advisories/phpmyfaq-4.1.0-before-4.1.9-and-4.2.0-alpha-before… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111889?: CVE-2026-111889 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-17.
How severe is CVE-2026-111889?: Medium severity. CVSS v3 base score is 4.3 out of 10.