CVE-2026-63241 Insecure direct object reference vulnerability
Authenticated users can view other users' private learning progress due to missing authorization checks 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-2026-63241?
CVE-2026-63241 is a low-severity missing authorization 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
An insecure direct object reference vulnerability in Koollab LMS allowed an authenticated user to query the course completion progress of any other user without authorisation, disclosing private learning progress information.
Weakness: CWE-639
Which versions are affected by CVE-2026-63241?
How do I fix CVE-2026-63241?
No fix has been published for CVE-2026-63241 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-2026-63241 being exploited?
There is no known exploitation of CVE-2026-63241 in the wild and no public exploit code.
Sources
Also known as GHSA-p92f-pg8m-v46g.