EUVD-2026-50124

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...

PT-2026-65711

An information disclosure vulnerability in Koollab LMS allowed an authenticated learner to obtain correct quiz answers from the course status endpoint without completing the assessment legitimately, compromising the integrity of assessments...

PT-2026-65704

A SQL injection and unsafe deserialisation vulnerability in Koollab LMS allowed an authenticated attacker to inject through the assessment overall answer endpoint, control data passed to unserialize, write a webshell to a publicly accessible location, and execute arbitrary code on the server...