Auth bypass in Froxlor

CVE-2026-121435

Froxlor before 2.3.15 contains an authorization bypass vulnerability that allows authenticated customers to create MySQL databases by calling the Mysqls.add API endpoint, which lacks the customer_hide_options check. Customers can invoke Mysqls.add even when the admin has disabled the MySQL feature, creating unauthorized databases within their own quota despite the policy.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-121435?
CVE-2026-121435 is a medium-severity vulnerability in Froxlor, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-11-03.
How severe is CVE-2026-121435?
Medium severity. CVSS v3 base score is 4.3 out of 10.