CVE-2026-57640: Stylemix Masterstudy Lms

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Subscriber Broken Access Control in MasterStudy LMS <= 3.7.30 versions.

Affected products

• Stylemix Masterstudy Lms: up to and including 3.7.30

Published 2026-06-26. Last modified 2026-06-26.