# CVE-2026-63242: Three Learning Koollab LMS business logic bypass in SCORM commit endpoint

Source: https://junglewise.ai/threats/cve-2026-63242-three-learning-koollab-lms-business-logic-bypass-in-scorm-commit  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-29. Updated: 2026-07-29  
License: CC BY 4.0 with a link back

CVE-2026-63242 · Severity: medium · CVSS 4.3 · Published 2026-07-29

Koollab LMS is a cloud-based learning management system used for corporate training and assessments. A flaw in the system's logic allows students to mark their lessons as completed without actually viewing the required training materials. This undermines the integrity of training records and compliance tracking, as users can bypass mandatory educational requirements.

Technologies: [Three Learning Koollab LMS](https://junglewise.ai/threats/technologies/koollab-lms). Vendors: [Three Learning](https://junglewise.ai/threats/vendors/three-learning).

## Quick answers

**Is CVE-2026-63242 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-63242 being exploited in the wild.

**How severe is CVE-2026-63242?** Medium severity, with a CVSS score of 4.3, published 29 July 2026.

**Which products and versions are affected?** Three Learning Koollab LMS 5.3.2.

**Is there a fix for CVE-2026-63242?** A patch was published on 2026-04-26: Vendor patched cloud instances Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-63242 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-63242?** Check whether you run Three Learning Koollab LMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A business logic vulnerability exists within the SCORM commit endpoint of Koollab LMS version 5.3.2. An authenticated learner can send a direct request to this endpoint to update their lesson status to 'completed' without interacting with or viewing the actual lesson content. This is a failure in server-side validation of the learning workflow. The vendor, Three Learning, has patched this vulnerability across its cloud-hosted SaaS environment, so no user action is required.

## Affected products

- Three Learning Koollab LMS 5.3.2

## Timeline

- 2026-04-14: disclosed: Vendor disclosure
- 2026-04-26: patched: Vendor patched cloud instances
- 2026-07-29: advisory: Public release of advisory

## References

- [https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/](https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/)

## Related threats

- [Three Learning Koollab LMS IDOR in course completion query](https://junglewise.ai/threats/cve-2026-63241-three-learning-koollab-lms-idor-in-course-completion-query)
- [Three Learning Koollab LMS information disclosure in course status endpoint](https://junglewise.ai/threats/cve-2026-63240-three-learning-koollab-lms-information-disclosure-in-course)
- [Three Learning Koollab LMS hard-coded AWS IAM credentials](https://junglewise.ai/threats/cve-2026-63239-three-learning-koollab-lms-hard-coded-aws-iam-credentials)
- [Three Learning Koollab LMS authentication bypass in 2FA endpoint](https://junglewise.ai/threats/cve-2026-63238-three-learning-koollab-lms-authentication-bypass-in-2fa-endpoint)
- [Three Learning Koollab LMS TOTP 2FA bypass](https://junglewise.ai/threats/cve-2026-63237-three-learning-koollab-lms-totp-2fa-bypass)