CVE-2026-24666 Open eClass is Vulnerable to CSRF in Teacher-Restricted Endpoints Allows Unauthorized Actions

What is CVE-2026-24666?

CVE-2026-24666 is a medium-severity vulnerability in gunet openeclass, published on 3 Feb 2026.

Official description

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a Cross-Site Request Forgery (CSRF) vulnerability in multiple teacher-restricted endpoints allows attackers to induce authenticated teachers to perform unintended actions, such as modifying assignment grades, via crafted requests. This issue has been patched in version 4.2.

Weakness: CWE-352

Which versions are affected by CVE-2026-24666?

It affects 1 product.

Products include Gunet Open Eclass Platform.

How do I fix CVE-2026-24666?

No fix has been published for CVE-2026-24666 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-24666 being exploited?

There is no known exploitation of CVE-2026-24666 in the wild and no public exploit code.

Other vulnerabilities in gunet openeclass

• CVE-2020-37113 GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass High 8.7
• CVE-2020-37116 GUnet OpenEclass 1.7.3 E-learning platform - phpMyAdmin Remote Access High 8.7
• CVE-2026-24665 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Upload High 8.7
• CVE-2026-24669 Open eClass Insecure Password Reset Token Reuse Enables Account Takeover High 7.8
• CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cgmh-73qg-28fm.