Vulnerability · Published Feb 3, 2026 · Assigned by GitHub_M

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

Medium 4.3

In plain English

A medium-severity security flaw in openeclass from gunet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 85.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
gunet	openeclass	< 4.2

Weakness: CWE-841 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

https://github.com/gunet/openeclass/security/advisories/GHSA-rv2x-4rc8-93jh x_refsource_CONFIRM