Auth bypass in Thorsten Phpmyfaq
CVE-2026-46366
phpMyFAQ before 4.1.2 contains an information disclosure vulnerability in the getIdFromSolutionId() method that lacks permission filtering, allowing unauthenticated attackers to enumerate restricted FAQ entries and read their titles via the /solution_id_{id}.html endpoint. Attackers can sequentially iterate solution IDs to discover all FAQs including those restricted to specific users or groups, leaking sensitive metadata through redirect Location headers and page canonical links.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Thorsten Phpmyfaq — versions 0, 4.1.2
Weakness classification (CWE)
References
- github.com/thorsten/phpMyFAQ/security/advisories/GHSA-99qv-g4x9-mgc3 (vendor-advisory)
- www.vulncheck.com/advisories/phpmyfaq-unauthenticated-information-disclosure-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-46366?
- CVE-2026-46366 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2026-05-15.
- How severe is CVE-2026-46366?
- High severity. CVSS v3 base score is 7.5 out of 10.