CVE-2026-63241: Vulnerability in Three Learning Koollab LMS
An insecure direct object reference vulnerability in Koollab LMS allowed an authenticated user to query the course completion progress of any other user without authorisation, disclosing private learning progress information.
AI Analysis
Technical Summary
This vulnerability in Koollab LMS (version 5.3.2) involves insecure direct object references that permit authenticated users to query the course completion progress of other users without authorization. This leads to unauthorized disclosure of private learning progress data. The vulnerability has a CVSS 3.1 base score of 3.1, reflecting low impact primarily on confidentiality. No integrity or availability impacts are reported. No vendor advisory or patch information is currently available, and the product is not a cloud service.
Potential Impact
The vulnerability allows unauthorized disclosure of private user learning progress information within Koollab LMS. There is no reported impact on data integrity or system availability. The confidentiality impact is limited to exposure of course completion progress data to other authenticated users without proper authorization.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to authenticated users only and monitor for unauthorized access attempts. Follow up with Three Learning for updates on patches or official mitigations.
CVE-2026-63241: Vulnerability in Three Learning Koollab LMS
Description
An insecure direct object reference vulnerability in Koollab LMS allowed an authenticated user to query the course completion progress of any other user without authorisation, disclosing private learning progress information.
CVSS v3.1
Score 3.1low
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Koollab LMS (version 5.3.2) involves insecure direct object references that permit authenticated users to query the course completion progress of other users without authorization. This leads to unauthorized disclosure of private learning progress data. The vulnerability has a CVSS 3.1 base score of 3.1, reflecting low impact primarily on confidentiality. No integrity or availability impacts are reported. No vendor advisory or patch information is currently available, and the product is not a cloud service.
Potential Impact
The vulnerability allows unauthorized disclosure of private user learning progress information within Koollab LMS. There is no reported impact on data integrity or system availability. The confidentiality impact is limited to exposure of course completion progress data to other authenticated users without proper authorization.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to authenticated users only and monitor for unauthorized access attempts. Follow up with Three Learning for updates on patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CSA
- Date Reserved
- 2026-07-16T02:35:54.249Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a699fbc9c2644c7f814ebbd
Added to database: 07/29/2026, 06:37:48 UTC
Last enriched: 07/29/2026, 11:38:18 UTC
Last updated: 07/29/2026, 23:09:23 UTC
Views: 14
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