What is CVE-2026-111901?

CVE-2026-111901 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-10-17.

How severe is CVE-2026-111901?

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

Resource exhaustion in Thorsten Phpmyfaq

CVE-2026-111901

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an uncontrolled resource consumption vulnerability in the unauthenticated faqs and search API endpoints. Attackers can send concurrent GET requests that load and process all database records into PHP memory, exhausting CPU and memory to crash the server.

Vulnerability class: DoS (Denial of Service)

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

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:N/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-400 — Uncontrolled Resource Consumption

References

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-m42f-6p37-2c79 (vendor-advisory)
www.vulncheck.com/advisories/phpmyfaq-4.2.0-alpha-before-4.2.0-beta-unauthentic… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111901?: CVE-2026-111901 is a high-severity vulnerability in Thorsten Phpmyfaq, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-10-17.
How severe is CVE-2026-111901?: High severity. CVSS v3 base score is 7.5 out of 10.