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

What is CVE-2026-24773?

CVE-2026-24773 is a high-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, 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-24773?

It affects 1 product.

Products include Gunet Open Eclass Platform.

How do I fix CVE-2026-24773?

No fix has been published for CVE-2026-24773 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-24773 being exploited?

There is no known exploitation of CVE-2026-24773 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-2020-24381 Information disclosure in n/a High 7.5

Sources

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

Also known as GHSA-63pm-pff4-xc9c.