CVE-2026-111603 PlayEdu through 2.3 Missing Authorization via Student CourseController Endpoints
Authenticated students can access restricted course data and attachments from other departments by bypassing visibility checks.
- 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-2026-111603?
CVE-2026-111603 is a medium-severity missing authorization vulnerability in PlayEdu, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
PlayEdu through 2.3 contains a missing authorization vulnerability in the CourseController that allows authenticated students to access department-restricted courses by omitting the department visibility check. Attackers can enumerate sequential course and attachment IDs via the course details and attachment download endpoints to obtain course structure and attachment files from other departments.
Weakness: CWE-639
Which versions are affected by CVE-2026-111603?
How do I fix CVE-2026-111603?
No fix has been published for CVE-2026-111603 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-2026-111603 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111603 exists.
Sources
Also known as GHSA-c9xv-j5wf-2g29.