Vulnerability · Published Feb 3, 2026 · Assigned by GitHub_M
CVE-2026-24664Open eClass is Vulnerable to Username Enumeration via Login Response Discrepancies
Medium 5.3
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 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 77.5% 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 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| gunet | openeclass | < 4.2 |
Weakness: CWE-204 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://github.com/gunet/openeclass/security/advisories/GHSA-c3wq-m629-5h2j x_refsource_CONFIRM