Medium severity4.3OSV Advisory· Published Feb 3, 2026· Updated Jun 17, 2026
CVE-2026-24673
CVE-2026-24673
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.
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Affected products
3- Range: Release_3.0, Release_3.2, Release_4.1.1, …
- Range: <4.2
Patches
Vulnerability mechanics
References
1- github.com/gunet/openeclass/security/advisories/GHSA-3g4j-56gp-v6wvnvdExploitVendor Advisory
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