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CVE-2026-24773— Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

CVSS 7.5 · High EPSS 0.10% · P26
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I. Basic Information for CVE-2026-24773

Vulnerability Information
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Vulnerability Title
Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files
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 Insecure Direct Object Reference (IDOR) vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user identifiers. This issue has been patched in version 4.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
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，该漏洞源于存在不安全的直接对象引用，可能导致未经认证的远程攻击者通过直接请求可预测的用户标识符访问其他用户的个人文件。
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-2026-24773

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III. Intelligence Information for CVE-2026-24773

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Same Patch Batch · gunet · 2026-02-03 · 13 CVEs total

CVE-2026-246658.7 HIGHOpen eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Uplo
CVE-2026-246697.8 HIGHOpen eClass Insecure Password Reset Token Reuse Enables Account Takeover
CVE-2026-246727.3 HIGHOpen eClass is Vulnerable to Stored Cross-Site Scripting (XSS) in User Profile Fields
CVE-2026-246666.5 MEDIUMOpen eClass is Vulnerable to CSRF in Teacher-Restricted Endpoints Allows Unauthorized Acti
CVE-2026-246686.5 MEDIUMOpen eClass Broken Access Control Allows Students to Add Content to Course Units
CVE-2026-246706.5 MEDIUMOpen eClass Has Broken Access Control in Course Units Module Allows Students to Create Uni
CVE-2026-246716.1 MEDIUMOpen eClass is Vulnerable to Stored Cross-Site Scripting (XSS) in Multiple High-Privilege
CVE-2026-246645.3 MEDIUMOpen eClass is Vulnerable to Username Enumeration via Login Response Discrepancies
CVE-2026-246675.0 MEDIUMOpen eClass's Active Sessions Not Invalidated After Password Change Allow Persistent Accou
CVE-2026-246744.7 MEDIUMOpen eClass is Vulnerable to Reflected Cross-Site Scripting (XSS) in Multiple Endpoints
CVE-2026-246734.3 MEDIUMOpen eClass Has File Upload Filter Bypass via ZIP Archive Extraction
CVE-2026-247744.3 MEDIUMOpen eClass Business Logic Flaw Allows Students to Mark Attendance in Expired Activities

IV. Related Vulnerabilities

Same product: openeclass
Same vendor: gunet
Same weakness: CWE-639

V. Comments for CVE-2026-24773

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