Open eClass is Vulnerable to Username Enumeration via Login Response Discrepancies_CVE-2026-24664

{
    "lastseen": "",
    "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.",
    "published": "2026-02-03T16:56:07.167Z",
    "modified": "2026-02-03T16:56:07.167Z",
    "type": "cve",
    "title": "Open eClass is Vulnerable to Username Enumeration via Login Response Discrepancies",
    "source": "GitHub_M",
    "references": "https://github.com/gunet/openeclass/security/advisories/GHSA-c3wq-m629-5h2j",
    "id": "CVE-2026-24664",
    "bulletinFamily": "",
    "cwe": [
        "CWE-204"
    ],
    "cvelist": null,
    "sourceData": "gunet openeclass < 4.2",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "privilegesRequired": "",
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            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "openeclass",
    "version": "< 4.2",
    "vendor": "gunet",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}