What’s Vulnerable › Vulnerabilities

CVE-2026-24774: Open eClass Business Logic Flaw Allows Students to Mark Attendance in Expired Activities

Description

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a business logic vulnerability allows authenticated students to improperly mark themselves as present in attendance activities, including activities that have already expired, by directly accessing a crafted URL. This issue has been patched in version 4.2.

Affected products

How to fix

Upgrade to a fixed version: gunet openeclass 4.2. Check the vendor advisory for mitigations.

References

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