CVE-2026-24774

Open eClass Business Logic Flaw Allows Students to Mark Attendance in Expired Activities

MEDIUM
4.3
CVSS Score
Published: February 3, 2026 at 04:58 PM UTC
Updated: June 17, 2026 at 10:23 AM UTC
1 product affected across 1 vendorOpeneclass

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.2
Affected range stops below 4.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMExploitVendor Advisory
Source: cverecord
https://github.com/gunet/openeclass/security/advisories/GHSA-rv2x-4rc8-93jh

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-841

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