CVE-2026-24673

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...

CVE-2026-24673

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...

CVE-2026-24673

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...

CVE-2026-24673 Open eClass Has File Upload Filter Bypass via ZIP Archive Extraction

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...

EUVD-2026-5235

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...

Open eClass code issues and vulnerabilities

Open eClass is an open-source e-classroom system developed by the Greek Universities Network. Versions of Open eClass prior to 4.2 had code vulnerabilities; these vulnerabilities stemmed from a bypass in file upload validation, allowing attackers to upload files with prohibited extensions using Z...