{"id":"CVE-2026-24673","summary":"Open eClass Has File Upload Filter Bypass via ZIP Archive Extraction","details":"The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a file upload validation bypass vulnerability allows attackers to upload files with prohibited extensions by embedding them inside ZIP archives and extracting them using the application’s built-in decompression functionality. This issue has been patched in version 4.2.","aliases":["GHSA-3g4j-56gp-v6wv"],"modified":"2026-08-12T03:51:36.115016972Z","published":"2026-02-03T16:56:59.723Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24673.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-434"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24673.json"},{"type":"ADVISORY","url":"https://github.com/gunet/openeclass/security/advisories/GHSA-3g4j-56gp-v6wv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24673"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gunet/openeclass","events":[{"introduced":"0"},{"fixed":"6a98ba9fb5ce499b53d2cd0708f3080d92632dfa"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:gunet:open_eclass_platform:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"4.2"}]}}],"versions":["Release_4.1.2","Release_4.1.1","Release_3.2","Release_3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24673.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}