Medium severity · published Sep 14, 2026
CVE-2026-90935
Froxlor before 2.3.7 Authorization Bypass via Mysqls.add API
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
froxlor · froxlor
before 2.3.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90935
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90935
vendor-advisory
https://github.com/froxlor/froxlor/security/advisories/GHSA-q4rm-m6xh-5pv7
third-party-advisory
https://www.vulncheck.com/advisories/froxlor-before-2.3.7-authorization-bypass-via-mysqls-add-api
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