PlayEdu through 2.3 contains a missing authorization vulnerability in the CourseController that allows authenticated students to access… (CVE-2026-111603)
Description
PlayEdu versions through 2.3 have a missing authorization vulnerability in the CourseController. This flaw allows authenticated students to bypass department visibility checks and access courses restricted to other departments. Attackers can enumerate sequential course and attachment IDs via course details and attachment download endpoints to retrieve course structures and files from unauthorized departments. The vulnerability has a CVSS score of 4.3, indicating medium severity.
CVSS v3.1
Score 4.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in PlayEdu through version 2.3 is due to a missing authorization check in the CourseController. Authenticated students can exploit this by omitting the department visibility verification, enabling them to access courses and attachments restricted to other departments. The flaw allows enumeration of sequential course and attachment IDs through the course details and attachment download endpoints, exposing course structures and files beyond the attacker's authorized scope.
Potential Impact
Authenticated students can access and download course materials and attachments from departments they are not authorized to view. This leads to unauthorized information disclosure but does not affect data integrity or availability. The impact is limited to confidentiality loss of department-restricted course content.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, organizations should monitor vendor communications for updates. In the meantime, restricting access to authenticated users and reviewing authorization logic in the CourseController may help reduce risk.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-c9xv-j5wf-2g29
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-111603"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6ad2af0c2cdf04f656455cf1
Added to database: 10/16/2026, 23:11:08 UTC
Last enriched: 10/16/2026, 23:19:30 UTC
Last updated: 10/16/2026, 23:48:12 UTC
Views: 6
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