Business logic vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63242
StatePUBLISHED
AssignerCSA
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-29 07:16:43 UTC
Updated2026-07-30 16:54:05 UTC
DescriptionA business logic vulnerability in Koollab LMS allowed an authenticated learner to set their lesson completion status to completed via the SCORM commit endpoint without viewing the lesson material, compromising training and completion records.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.001520000 probability, percentile 0.049080000 (date 2026-07-31)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.15f57b9bf-260d-4433-bf07-b6a79e9bb7d4Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNACVSS4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Three Learning Koollab LMS affected 5.3.2 Not specified

References

ReferenceSourceLinkTags
www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 www.csa.gov.sg
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