Skip to content
OpenAdvisories
Medium · 4.3 CVE-2026-24673 EUVD-2026-5235

Open eClass Has File Upload Filter Bypass via ZIP Archive Extraction

Published Feb 3, 2026 · Updated Feb 4, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
gunet openeclass < 4.2 —

References