CVE-2026-22241The Open eClass platform (formerly known as GUnet eClass) is a complete course management system.
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The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, an arbitrary file upload vulnerability in the theme import functionality enables an attacker with administrative privileges to upload arbitrary files on the server's file system. The main cause of the issue is that no validation or sanitization of the file's present inside the zip archive. This leads to remote code execution on the web server. Version 4.2 patches the issue.
- CVSS
- 7.2 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-434
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
openeclass openeclass openeclass:openeclass | before 4.1 | NVD |
References
- https://github.com/gunet/openeclass/commit/3f9d267b79812a4dd708bb1302339e6a5abe67d9patch
- https://github.com/gunet/openeclass/security/advisories/GHSA-gq72-7mwg-424rexploit, third-party-advisory
- https://github.com/gunet/openeclass/security/advisories/GHSA-rf6j-xgqp-wjxgexploit, third-party-advisory
- https://twelvesec.com/2026/01/16/rce-via-arbitrary-file-upload-at-open-eclass/exploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.