CVE-2026-63242: Vulnerability in Three Learning Koollab LMS
CVE-2026-63242 is a business logic vulnerability in Koollab LMS version 5.3.2 that allows an authenticated learner to mark lessons as completed via the SCORM commit endpoint without actually viewing the lesson material. This undermines the integrity of training and completion records.
AI Analysis
Technical Summary
This vulnerability in Koollab LMS (version 5.3.2) involves improper validation in the SCORM commit endpoint, permitting authenticated users with learner privileges to set their lesson completion status to completed without engaging with the lesson content. This is classified as a business logic flaw (CWE-639) affecting the accuracy of training records.
Potential Impact
The vulnerability impacts the integrity of training and completion records by allowing learners to falsely mark lessons as completed. There is no direct confidentiality or availability impact reported. The CVSS score is 4.3 (medium severity), reflecting limited impact confined to integrity.
Mitigation Recommendations
No official patch or remediation is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, organizations should consider restricting access to the SCORM commit endpoint or implementing additional monitoring to detect anomalous completion status changes.
CVE-2026-63242: Vulnerability in Three Learning Koollab LMS
Description
CVE-2026-63242 is a business logic vulnerability in Koollab LMS version 5.3.2 that allows an authenticated learner to mark lessons as completed via the SCORM commit endpoint without actually viewing the lesson material. This undermines the integrity of training and completion records.
CVSS v3.1
Score 4.3medium
Affected software
Three Learning
Koollab LMS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Koollab LMS (version 5.3.2) involves improper validation in the SCORM commit endpoint, permitting authenticated users with learner privileges to set their lesson completion status to completed without engaging with the lesson content. This is classified as a business logic flaw (CWE-639) affecting the accuracy of training records.
Potential Impact
The vulnerability impacts the integrity of training and completion records by allowing learners to falsely mark lessons as completed. There is no direct confidentiality or availability impact reported. The CVSS score is 4.3 (medium severity), reflecting limited impact confined to integrity.
Mitigation Recommendations
No official patch or remediation is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, organizations should consider restricting access to the SCORM commit endpoint or implementing additional monitoring to detect anomalous completion status changes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CSA
- Date Reserved
- 2026-07-16T02:35:54.249Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a699fbc9c2644c7f814ebc0
Added to database: 07/29/2026, 06:37:48 UTC
Last enriched: 08/05/2026, 15:06:25 UTC
Last updated: 09/12/2026, 10:01:32 UTC
Views: 72
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