CVE-2026-111909

phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API

7.2 High

phpMyFAQ before 4.1.9 contains a missing authorization vulnerability in the deleteUser() API that allows authenticated non-superadmin users with delete_user permission to delete superadmin accounts. Attackers can send a DELETE request to /admin/api/user/delete with a superadmin's userId other than 1, removing administrative access and accountability.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: High

Exploit likelihood

0.27%Unchanged since Oct 18, 2026

What each source reports

CVE List Score used 7.2

phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API

Record: CVE-2026-111909
CVSS 4.0: 7.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness: CWE-269
Updated: 2026-11-02

EUVDEUVD-2026-103311 7.2

Record: EUVD-2026-103311
CVSS 4.0: 7.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2jrh-wx9p-9fp9 7.2

phpMyFAQ before 4.1.9 contains a missing authorization vulnerability in the deleteUser() API that...

Record: GHSA-2jrh-wx9p-9fp9
CVSS 4.0: 7.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness: CWE-269
Updated: 2026-11-02

NVD 7.2

Record: CVE-2026-111909
CVSS 4.0: 7.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness: CWE-269
Updated: 2026-11-02

OSV 7.2

phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API

Record: CVE-2026-111909
CVSS 4.0: 7.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-269
Updated: 2026-11-02

Affected products

thorsten phpmyfaq

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111909 is a high vulnerability (CVSS 7.2) in Thorsten Phpmyfaq, published October 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.