CVE-2026-22241: The Open eClass platform (formerly known as GUnet eClass) is a complete course management system
CVE-2026-22241 is a high-severity flaw (CVSS 7.2) affecting openeclass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 3.3% (top 12%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2026-01-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-22241?
openeclass: upgrade to 4.1. Exact commands for each OS are on this page.
Is CVE-2026-22241 being exploited?
CVE-2026-22241 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-22241 affect?
CVE-2026-22241 affects openeclass. Severity is high (CVSS 7.2). 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 privile
How urgent is CVE-2026-22241?
Priority 52/100. High severity; Public exploit reference
Related CVEs
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- CVE-2024-33253 MEDIUM 5.4 UPGRADE Cross-site scripting (XSS) vulnerability in GUnet OpenEclass E-learning Platform version 3.15 and before allow
- CVE-2024-31777 CRITICAL 9.8 UPGRADE File Upload vulnerability in openeclass v.3.15 and before allows an attacker to execute arbitrary code via a c