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I. Basic Information for CVE-2026-22241
Vulnerability Information
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Vulnerability Title
Open eClass has Unrestricted File Upload that Leads to Remote Code Execution (RCE)
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Open eClass 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open eClass是Greek Universities Network开源的一个电子课堂系统。 Open eClass 4.2之前版本存在安全漏洞，该漏洞源于主题导入功能缺少文件验证，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
gunetopeneclass < 4.2 -
II. Public POCs for CVE-2026-22241
#POC DescriptionSource LinkShenlong Link
1CVE-2026-22241 Exploit for GUnet Open eClass Unrestricted File Upload Leads to Remote Code Execution (RCE)https://github.com/Ashifcoder/CVE-2026-22241POC Details
2Lab Environment for CVE-2026-22241https://github.com/CVEs-Labs/CVE-2026-22241POC Details
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III. Intelligence Information for CVE-2026-22241
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IV. Related Vulnerabilities
Same product: openeclass
Same vendor: gunet
Same weakness: CWE-434
V. Comments for CVE-2026-22241

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