Vulnerability Details 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 application’s built-in decompression functionality. This issue has been patched in version 4.2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 8.8%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-24673
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cpe:2.3:a:gunet:open_eclass_platform:2.10.1
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cpe:2.3:a:gunet:open_eclass_platform:2.11.4
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cpe:2.3:a:gunet:open_eclass_platform:3.0
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cpe:2.3:a:gunet:open_eclass_platform:3.1
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cpe:2.3:a:gunet:open_eclass_platform:3.1.1
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cpe:2.3:a:gunet:open_eclass_platform:3.1.10
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cpe:2.3:a:gunet:open_eclass_platform:3.1.11
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cpe:2.3:a:gunet:open_eclass_platform:3.1.12
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cpe:2.3:a:gunet:open_eclass_platform:3.1.13
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cpe:2.3:a:gunet:open_eclass_platform:3.1.2
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cpe:2.3:a:gunet:open_eclass_platform:3.1.3
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cpe:2.3:a:gunet:open_eclass_platform:3.1.4
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cpe:2.3:a:gunet:open_eclass_platform:3.1.5
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cpe:2.3:a:gunet:open_eclass_platform:3.1.6
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cpe:2.3:a:gunet:open_eclass_platform:3.1.7
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cpe:2.3:a:gunet:open_eclass_platform:3.1.8
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cpe:2.3:a:gunet:open_eclass_platform:3.1.9
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cpe:2.3:a:gunet:open_eclass_platform:3.10
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cpe:2.3:a:gunet:open_eclass_platform:3.10.1
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cpe:2.3:a:gunet:open_eclass_platform:3.10.2
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cpe:2.3:a:gunet:open_eclass_platform:3.11
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cpe:2.3:a:gunet:open_eclass_platform:3.11.1
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cpe:2.3:a:gunet:open_eclass_platform:3.11.2
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cpe:2.3:a:gunet:open_eclass_platform:3.12
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cpe:2.3:a:gunet:open_eclass_platform:3.12.1
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cpe:2.3:a:gunet:open_eclass_platform:3.12.2
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cpe:2.3:a:gunet:open_eclass_platform:3.12.3
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cpe:2.3:a:gunet:open_eclass_platform:3.12.4
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cpe:2.3:a:gunet:open_eclass_platform:3.12.5
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cpe:2.3:a:gunet:open_eclass_platform:3.2
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cpe:2.3:a:gunet:open_eclass_platform:3.2.1
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cpe:2.3:a:gunet:open_eclass_platform:3.2.2
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cpe:2.3:a:gunet:open_eclass_platform:3.2.3
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cpe:2.3:a:gunet:open_eclass_platform:3.3
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cpe:2.3:a:gunet:open_eclass_platform:3.3.1
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cpe:2.3:a:gunet:open_eclass_platform:3.3.2
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cpe:2.3:a:gunet:open_eclass_platform:3.3.3
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cpe:2.3:a:gunet:open_eclass_platform:3.3.4
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cpe:2.3:a:gunet:open_eclass_platform:3.4
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cpe:2.3:a:gunet:open_eclass_platform:3.4.1
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cpe:2.3:a:gunet:open_eclass_platform:3.4.2
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cpe:2.3:a:gunet:open_eclass_platform:3.4.3
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cpe:2.3:a:gunet:open_eclass_platform:3.4.4
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cpe:2.3:a:gunet:open_eclass_platform:3.5.1
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cpe:2.3:a:gunet:open_eclass_platform:3.5.2
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cpe:2.3:a:gunet:open_eclass_platform:3.5.3
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cpe:2.3:a:gunet:open_eclass_platform:3.5.4
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cpe:2.3:a:gunet:open_eclass_platform:3.5.5
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cpe:2.3:a:gunet:open_eclass_platform:3.5.6
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cpe:2.3:a:gunet:open_eclass_platform:3.6.1
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cpe:2.3:a:gunet:open_eclass_platform:3.6.2
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cpe:2.3:a:gunet:open_eclass_platform:3.6.3
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cpe:2.3:a:gunet:open_eclass_platform:3.6.4
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cpe:2.3:a:gunet:open_eclass_platform:3.6.5
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cpe:2.3:a:gunet:open_eclass_platform:3.6.6
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cpe:2.3:a:gunet:open_eclass_platform:3.6.7
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cpe:2.3:a:gunet:open_eclass_platform:3.7
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cpe:2.3:a:gunet:open_eclass_platform:3.7.1
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cpe:2.3:a:gunet:open_eclass_platform:3.7.2
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cpe:2.3:a:gunet:open_eclass_platform:3.7.3
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cpe:2.3:a:gunet:open_eclass_platform:3.7.4
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cpe:2.3:a:gunet:open_eclass_platform:3.7.5
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cpe:2.3:a:gunet:open_eclass_platform:3.7.6
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cpe:2.3:a:gunet:open_eclass_platform:3.8
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cpe:2.3:a:gunet:open_eclass_platform:3.8.1
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cpe:2.3:a:gunet:open_eclass_platform:3.8.2
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cpe:2.3:a:gunet:open_eclass_platform:3.8.3
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cpe:2.3:a:gunet:open_eclass_platform:3.8.4
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cpe:2.3:a:gunet:open_eclass_platform:3.9
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cpe:2.3:a:gunet:open_eclass_platform:3.9.1
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cpe:2.3:a:gunet:open_eclass_platform:3.9.2
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cpe:2.3:a:gunet:open_eclass_platform:3.9.3