What is CVE-2026-111897?

CVE-2026-111897 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-10-17.

How severe is CVE-2026-111897?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Thorsten Phpmyfaq

CVE-2026-111897

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability that allows category-restricted editors to manage attachments of FAQs outside their categories by supplying arbitrary record IDs. Attackers in medium permission mode can send upload or delete requests with a target record_id or attachment ID to tamper with or remove files on unauthorized FAQs.

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

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-hj8v-cg6r-gg6q (vendor-advisory)
www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-authorizati… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111897?: CVE-2026-111897 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-10-17.
How severe is CVE-2026-111897?: High severity. CVSS v3 base score is 7.1 out of 10.