CVE-2026-63236: Vulnerability in Three Learning Koollab LMS
CVE-2026-63236 is an improper access control vulnerability in Three Learning's Koollab LMS version 5.3.2. It allows an unauthenticated attacker to read sensitive user information such as names, internal identifiers, scores, lesson status, lesson position, and cached lesson state via the SCORM API endpoint. The vulnerability has a low severity score of 3.7 and does not impact integrity or availability. No official patch or remediation guidance is currently available.
AI Analysis
Technical Summary
This vulnerability in Koollab LMS (version 5.3.2) arises from improper access control on the SCORM API endpoint, enabling unauthenticated attackers to access another user's personal and learning progress data. The flaw affects confidentiality but does not allow modification or disruption of service. The CVSS 3.1 base score is 3.7 (low), reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and only confidentiality impact. No known exploits or vendor patches are reported as of the publication date.
Potential Impact
An attacker without authentication can read sensitive user data including names, internal IDs, scores, and lesson progress states. This exposure impacts user privacy and confidentiality but does not affect data integrity or system availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published. Until a patch is available, restrict access to the SCORM API endpoint if possible or monitor for suspicious access patterns.
CVE-2026-63236: Vulnerability in Three Learning Koollab LMS
Description
CVE-2026-63236 is an improper access control vulnerability in Three Learning's Koollab LMS version 5.3.2. It allows an unauthenticated attacker to read sensitive user information such as names, internal identifiers, scores, lesson status, lesson position, and cached lesson state via the SCORM API endpoint. The vulnerability has a low severity score of 3.7 and does not impact integrity or availability. No official patch or remediation guidance is currently available.
CVSS v3.1
Score 3.7low
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) arises from improper access control on the SCORM API endpoint, enabling unauthenticated attackers to access another user's personal and learning progress data. The flaw affects confidentiality but does not allow modification or disruption of service. The CVSS 3.1 base score is 3.7 (low), reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and only confidentiality impact. No known exploits or vendor patches are reported as of the publication date.
Potential Impact
An attacker without authentication can read sensitive user data including names, internal IDs, scores, and lesson progress states. This exposure impacts user privacy and confidentiality but does not affect data integrity or system availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published. Until a patch is available, restrict access to the SCORM API endpoint if possible or monitor for suspicious access patterns.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CSA
- Date Reserved
- 2026-07-16T02:33:02.674Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a699fbb9c2644c7f814eb5d
Added to database: 07/29/2026, 06:37:47 UTC
Last enriched: 08/05/2026, 15:04:47 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 65
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