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CVE-2026-24773

Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

Published: Feb 3, 2026Updated: Feb 10, 2026 Sources: CVE List NVDCWE-639
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 73.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-639

Affected Products

openeclassgunet
On-prem
Web & CMS Plugins / cms-core
open eclass platformgunet
On-prem
Web & CMS Plugins / cms-core
gunetoss-projectWeb & CMS Pluginsaka gunet edu, openeclass

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Feb 3, 2026
Last Updated
Feb 10, 2026

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