What is CVE-2026-124433?

CVE-2026-124433 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-11-08.

How severe is CVE-2026-124433?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Thorsten Phpmyfaq

CVE-2026-124433

phpMyFAQ before 4.1.11 contains an insufficient authorization vulnerability that allows delegated administrators holding only GROUP_DELETE permission to delete higher-privileged groups. Attackers can submit a target group_list_select value to /admin/group/confirm and then /admin/group/delete to remove privileged groups, their memberships, and permission mappings.

Vulnerability class: Broken Access Control

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

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-863 — Incorrect Authorization

References

GitHub Security Advisory (GHSA-jprf-xpcq-vjwq) (vendor-advisory)
VulnCheck Advisory: phpMyFAQ before 4.1.11 Insufficient Authorization in Group Deletion via GroupController (third-party-advisory)

Frequently asked questions

What is CVE-2026-124433?: CVE-2026-124433 is a medium-severity vulnerability in Thorsten Phpmyfaq, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-11-08.
How severe is CVE-2026-124433?: Medium severity. CVSS v3 base score is 6.5 out of 10.