CVE-2025-67259 Missing authorization in n/a
Authenticated students can access unauthorized course data by modifying API requests, exposing sensitive user and admin information.
- 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-2025-67259?
CVE-2025-67259 is a medium-severity missing authorization vulnerability in n/a, published on 24 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A Broken Access Control vulnerability exists in ClassroomIO v0.1.13 where an authenticated low-privileged "student" user can access unauthorized course-level information by modifying intercepted API requests. Changing a captured POST request to a GET request against the /rest/v1/course PostgREST endpoint results in disclosure of sensitive information including other students details, tutor/admin profiles, and internal course metadata.
Which versions are affected by CVE-2025-67259?
How do I fix CVE-2025-67259?
No fix has been published for CVE-2025-67259 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-2025-67259 being exploited?
There is no known exploitation of CVE-2025-67259 in the wild and no public exploit code.
Sources
Also known as GHSA-rx88-8j23-4qxx.