CVE-2026-111603

EUVD-2026-103025
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.51%
Common Weakness Enumeration
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