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Critical · 9.1 CVE-2026-63229 EUVD-2026-50124GHSA-8g2m-jvpm-fx9f

Pre-authentication blind SQL injection vulnerability

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

Description

A pre-authentication blind SQL injection
vulnerability in Koollab LMS allowed an unauthenticated attacker to use a time-based SQL oracle via
the SSO OAuth endpoint to read sensitive database contents, including
personally identifiable information, credentials, and valid JWT tokens that may
enable account takeover.

Affected products

VendorProductAffectedFixed
Three Learning Koollab LMS 5.3.2 —

References