CVE-2026-33708 Chamilo LMS has REST API PII Exposure via get_user_info_from_username
Authenticated users can access personal information of any other user via an unprotected REST API endpoint in Chamilo 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-2026-33708?
CVE-2026-33708 is a medium-severity missing authorization vulnerability in Chamilo Chamilo Lms, published on 10 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Chamilo LMS is a learning management system. Prior to 1.11.38, the get_user_info_from_username REST API endpoint returns personal information (email, first name, last name, user ID, active status) of any user to any authenticated user, including students. There is no authorization check. This vulnerability is fixed in 1.11.38.
Weakness: CWE-862
Which versions are affected by CVE-2026-33708?
It affects 1 product.
Products include Chamilo Chamilo Lms.
How do I fix CVE-2026-33708?
No fix has been published for CVE-2026-33708 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-2026-33708 being exploited?
There is no known exploitation of CVE-2026-33708 in the wild and no public exploit code.
Other vulnerabilities in Chamilo Chamilo Lms
Sources
Also known as GHSA-qwch-82q9-q999.