CVE-2026-24664 — Open eClass is Vulnerable to Username Enumeration via Login Response Discrepancies

CVE-2026-24664

Open eClass is Vulnerable to Username Enumeration via Login Response Discrepancies PUBLISHED

Description (CNA)

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a username enumeration vulnerability allows unauthenticated attackers to identify valid user accounts by analyzing differences in the login response behavior. This issue has been patched in version 4.2.

Affected (CNA)

Vendor / product	Versions
gunet / openeclass	affected < 4.2

CWE

CWE-204

References

https://github.com/gunet/openeclass/security/advisories/GHSA-c3wq-m629-5h2j

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.