CVE-2026-63230: Three Learning Koollab Lms

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A pre-authentication error-based SQL injection vulnerability in Koollab LMS allowed an unauthenticated attacker to read sensitive database contents, including personally identifiable information, credentials, and valid JWT tokens that may enable account takeover, via the SCORM report endpoint.

Affected products

• Three Learning Koollab Lms: version 5.3.2 only

Published 2026-07-29. Last modified 2026-07-30.