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High · 8.1 CVE-2026-63231 EUVD-2026-50126GHSA-7q3f-f53f-7cpq

Post-authentication SQL injection vulnerability

Published Jul 29, 2026 · Updated Jul 29, 2026 · Assigned by CSA

Description

A post-authentication SQL injection
vulnerability in Koollab LMS allowed an authenticated attacker to use an error-based SQL oracle via
the face-to-face runs update endpoint to read the entire application database
and obtain valid JWT tokens for account takeover.

Affected products

VendorProductAffectedFixed
Three Learning Koollab LMS 5.3.2 —

References