CVE-2026-111603
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/PlayEdu/PlayEdu
- https://github.com/PlayEdu/PlayEdu/blob/2.3/playedu-api/playedu-api/src/main/java/xyz/playedu/api/controller/frontend/CourseController.java#L57-L132
- https://hackmd.io/@hieuPenguinnn/playedu-course-attachment-cross-department-authz
- https://www.vulncheck.com/advisories/playedu-through-2.3-missing-authorization-via-student-coursecontroller-endpoints
CWEs
CWE-639
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.