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OpenAdvisories
High · 7.5 CVE-2026-24773 EUVD-2026-5232

Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

Published Feb 3, 2026 · Updated Feb 4, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
gunet openeclass < 4.2 —

References