CVE-2026-63242 Business logic vulnerability
Authenticated learners can falsely mark lessons as complete via SCORM endpoints, compromising training records in Koollab LMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63242?
CVE-2026-63242 is a medium-severity vulnerability in Three Learning Koollab LMS, published on 29 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-63242?
How do I fix CVE-2026-63242?
No fix has been published for CVE-2026-63242 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-63242 being exploited?
There is no known exploitation of CVE-2026-63242 in the wild and no public exploit code.
Sources
Also known as GHSA-qqq4-m483-fm7p.