What is CVE-2026-116183?

CVE-2026-116183 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-10-25.

How severe is CVE-2026-116183?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Thorsten Phpmyfaq

CVE-2026-116183

phpMyFAQ before 4.1.10 contains an object-level authorization bypass vulnerability that allows unauthenticated attackers to modify or delete any visitor question by supplying an arbitrary openQuestionID to POST /api/faq/create. Attackers solving the CAPTCHA can rewrite question categories, forge answered entries in faqquestion_history, or permanently delete questions when records.enableDeleteQuestion is enabled.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-25 · last modified 2026-10-25.

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:N/I:H/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-639 — Authorization Bypass Through User-Controlled Key

References

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9m55-g84r-x6v7 (vendor-advisory)
www.vulncheck.com/advisories/phpmyfaq-before-4.1.10-authorization-bypass-via-ap… (third-party-advisory)

Frequently asked questions

What is CVE-2026-116183?: CVE-2026-116183 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-10-25.
How severe is CVE-2026-116183?: High severity. CVSS v3 base score is 7.5 out of 10.