CVE-2026-24670 Open eClass Has Broken Access Control in Course Units Module Allows Students to Create Units

Medium 6.5 Published Updated

Authenticated students can create course units due to broken access control, allowing unauthorized data modification in Open eClass.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-24670?

CVE-2026-24670 is a medium-severity missing authorization vulnerability in gunet openeclass, published on 3 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a broken access control vulnerability allows authenticated students to create new course units, an action normally restricted to higher-privileged roles. This issue has been patched in version 4.2.

Weakness: CWE-284

Which versions are affected by CVE-2026-24670?

It affects 1 product.

Products include Gunet Open Eclass Platform.

How do I fix CVE-2026-24670?

No fix has been published for CVE-2026-24670 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-24670 being exploited?

There is no known exploitation of CVE-2026-24670 in the wild and no public exploit code.

Sources

Also known as GHSA-4jf5-636r-hv9v.

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