CVE-2026-63241: Vulnerability in Three Learning Koollab LMS
CVE-2026-63241 is an insecure direct object reference vulnerability in Koollab LMS version 5.3.2. It allows an authenticated user to access the course completion progress of other users without proper authorization, exposing private learning progress information. The vulnerability has a low severity rating with a CVSS score of 3.1. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability in Koollab LMS (version 5.3.2) involves insecure direct object references (CWE-639) that permit an authenticated user to query the course completion progress of any other user without authorization. This leads to unauthorized disclosure of private learning progress data. The CVSS 3.1 base score is 3.1, reflecting low impact on confidentiality and no impact on integrity or availability. There is no known exploit in the wild and no vendor-provided patch or remediation information at this time.
Potential Impact
The impact is limited to unauthorized disclosure of private learning progress information of other users. There is no impact on data integrity or system availability. The vulnerability requires authentication and has a high attack complexity, which reduces the likelihood of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected version 5.3.2 of Koollab LMS to trusted users only and monitor for any unusual access patterns related to course progress queries.
CVE-2026-63241: Vulnerability in Three Learning Koollab LMS
Description
CVE-2026-63241 is an insecure direct object reference vulnerability in Koollab LMS version 5.3.2. It allows an authenticated user to access the course completion progress of other users without proper authorization, exposing private learning progress information. The vulnerability has a low severity rating with a CVSS score of 3.1. No official patch or remediation guidance is currently available from the vendor.
CVSS v3.1
Score 3.1low
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 insecure direct object references (CWE-639) that permit an authenticated user to query the course completion progress of any other user without authorization. This leads to unauthorized disclosure of private learning progress data. The CVSS 3.1 base score is 3.1, reflecting low impact on confidentiality and no impact on integrity or availability. There is no known exploit in the wild and no vendor-provided patch or remediation information at this time.
Potential Impact
The impact is limited to unauthorized disclosure of private learning progress information of other users. There is no impact on data integrity or system availability. The vulnerability requires authentication and has a high attack complexity, which reduces the likelihood of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected version 5.3.2 of Koollab LMS to trusted users only and monitor for any unusual access patterns related to course progress queries.
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: 6a699fbc9c2644c7f814ebbd
Added to database: 07/29/2026, 06:37:48 UTC
Last enriched: 08/05/2026, 15:06:09 UTC
Last updated: 09/10/2026, 20:00:35 UTC
Views: 68
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