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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.

PUBLISHED Reserved 2026-01-23 | Published 2026-02-03 | Updated 2026-02-04 | Assigner GitHub_M




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-434: Unrestricted Upload of File with Dangerous Type

Product status

< 4.2
affected

References

github.com/...eclass/security/advisories/GHSA-3g4j-56gp-v6wv

cve.org (CVE-2026-24673)

nvd.nist.gov (CVE-2026-24673)

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