CVE-2026-63236 Improper access control vulnerability
Unauthenticated attackers can access sensitive user data including names, scores, and lesson status via the SCORM API endpoint in Koollab LMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63236?
CVE-2026-63236 is a low-severity missing authorization vulnerability in Three Learning Koollab LMS, published on 29 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper access control vulnerability in Koollab LMS allowed an unauthenticated attacker to read another user's name, internal identifier, scores, lesson status, lesson position, and cached lesson state via the SCORM API endpoint.
Weakness: CWE-284
Which versions are affected by CVE-2026-63236?
How do I fix CVE-2026-63236?
No fix has been published for CVE-2026-63236 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-63236 being exploited?
There is no known exploitation of CVE-2026-63236 in the wild and no public exploit code.
Sources
Also known as GHSA-q46f-qpmx-9862.