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    CVE-2026-22241

    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.

    Published:Jan 8, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 8, 2026
    EPSS Score:0.00215
    CVSS Score:7.2

    Affected Products

    Vendor
    Openeclass
    Product
    Openeclass

    Exploits

    https://github.com/gunet/openeclass/security/advisories/GHSA-gq72-7mwg-424rhttps://github.com/gunet/openeclass/security/advisories/GHSA-rf6j-xgqp-wjxghttps://github.com/gunet/openeclass/security/advisories/GHSA-gq72-7mwg-424rhttps://twelvesec.com/2026/01/16/rce-via-arbitrary-file-upload-at-open-eclass/https://github.com/gunet/openeclass/security/advisories/GHSA-rf6j-xgqp-wjxghttps://www.exploit-db.com/exploits/52519https://github.com/0xBlackash/CVE-2026-22241https://github.com/Ashifcoder/CVE-2026-22241https://github.com/CVEs-Labs/CVE-2026-22241

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2025-65734 (CVSS 5.4) — An authenticated arbitrary file upload vulnerability in the Courses/Work Assignments module of gunet Open eCla…
    CVE-2026-24669 (CVSS 7.8) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24668 (CVSS 6.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24667 (CVSS 5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24666 (CVSS 6.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24665 (CVSS 8.7) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24774 (CVSS 4.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24773 (CVSS 7.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24674 (CVSS 4.7) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24673 (CVSS 4.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High