Vulnerability · Published Feb 3, 2026 · Assigned by GitHub_M

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

High 7.5

In plain English

A high-severity authorization bypass via user-controlled key in openeclass from gunet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 63.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
gunet	openeclass	< 4.2

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/gunet/openeclass/security/advisories/GHSA-63pm-pff4-xc9c x_refsource_CONFIRM