CVE-2026-90935

Froxlor before 2.3.7 Authorization Bypass via Mysqls.add API

Published Sep 14, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Froxlor before 2.3.7 fails to validate the mysql_server parameter against a customer's allowed_mysqlserver allowlist in the Mysqls.add API command. Attackers can supply a disallowed server index to create MySQL databases and users on forbidden servers, bypassing per-customer access controls.

Analysis

AI-generated

Technical impact

The vulnerability is a failure to validate the mysql_server parameter in the Mysqls.add API. Attackers can supply a disallowed server index and create MySQL databases and users on servers that are not in the customer's allowed_mysqlserver list. This grants the attacker the ability to create resources on restricted servers, leading to unauthorized data access and potential service disruption.

Affected Systems

The flaw impacts installations of Froxlor before version 2.3.7. All customers using these versions are vulnerable and can exploit the issue if they can reach the Mysqls.add API.

Risk and Exploitability

The CVSS score of 5.3 indicates a moderate severity. No exploitation probability was reported and the vulnerability is not listed in the CISA KEV catalog. Attackers need the ability to call the Mysqls.add API, which may be accessible to authenticated users or exposed via some other vulnerability. Once accessed, the bug provides a privilege‑escalation path to create databases and users on unauthorized servers.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest Froxlor update (v2.3.7 or newer) to fix the authorization bypass.
  • Restrict access to the Mysqls.add API so that only administrators can specify mysql_server indices, ensuring proper enforcement of the allowed_mysqlserver list.
  • Monitor database provision logs for unexpected creation of databases or users on forbidden servers and enforce tighter provisioning controls.

Generated by OpenCVE AI on September 15, 2026 at 14:11 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Froxlor before 2.3.7 fails to validate the mysql_server parameter against a customer's allowed_mysqlserver allowlist in the Mysqls.add API command. Attackers can supply a disallowed server index to create MySQL databases and users on forbidden servers, bypassing per-customer access controls.
Title Froxlor before 2.3.7 Authorization Bypass via Mysqls.add API
First Time appeared Froxlor
Froxlor froxlor
Weaknesses CWE-285
CPEs cpe:2.3:a:froxlor:froxlor:*:*:*:*:*:*:*:*
Vendors & Products Froxlor
Froxlor froxlor
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:25 PM
Reserved
Sep 14, 2026, 11:33 AM
Status
Deferred
Published
Sep 14, 2026, 1:19 PM
Modified
Oct 8, 2026, 4:17 PM