CVE-2026-63240

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...

CVE-2026-63240 Information disclosure vulnerability

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...

CVE-2026-63239

A hard-coded AWS IAM credentials vulnerability in Koollab LMS allowed an attacker to access shared multi-tenant S3 buckets and SQS queues, exposing sensitive data and enabling malicious content injection, job manipulation, or email interception...

CVE-2026-63236

An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to read another user's name, internal identifier, scores, lesson status, lesson position, and cached lesson state via the SCORM API endpoint...

EUVD-2026-50123

An unrestricted image upload vulnerability in Koollab LMS allowed an authenticated attacker to upload malicious content disguised as an image file via the feedback mail registration endpoint, potentially enabling further attacks on the server...

PT-2026-34630

Name of the Vulnerable Software and Affected Versions Koollab LMS affected versions not specified Description A stored cross-site scripting XSS issue exists within the courselet feature. This flaw allows an attacker to execute arbitrary JavaScript on any user account that has access to this...