CVE-2026-54817: Fluxbuilder Mstore API

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Authentication Bypass Using an Alternate Path or Channel vulnerability in FluxBuilder MStore API allows Password Recovery Exploitation. This issue affects MStore API: from n/a through 4.18.4.

Affected products

• Fluxbuilder Mstore API: up to and including 4.18.4

Published 2026-06-17. Last modified 2026-06-17.