CVE-2026-24670Public exploitNetwork attack vector

Unauthorized course-unit creation via missing role enforcement

Published Feb 3, 2026 · Updated Feb 3, 2026

Broken access control in Open eClass before 4.2 allows remote authenticated users with student accounts to create new course units. The /modules/units/index.php endpoint accepts a unit-creation POST from a student session without enforcing the instructor-or-administrator role check. Student-level access is sufficient, and the resulting unauthorized writes alter stored course structures without exposing data or interrupting service.

CVSS severity6.5
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Broken access control in Open eClass before 4.2 allows remote authenticated users with student accounts to create new course units. The /modules/units/index.php endpoint accepts a unit-creation POST from a student session without enforcing the instructor-or-administrator role check. Student-level access is sufficient, and the resulting unauthorized writes alter stored course structures without exposing data or interrupting service.

The record

CVE
CVE-2026-24670
Published
Feb 3, 2026
Updated
Feb 3, 2026
Vendor
Greek Universities Network
Product
Open eClass
Classifications
CWE-284, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 4.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Greek Universities Network · Open eClassversion=< 4.2

Published CVSS scores

6.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1565.001Stored Data Manipulation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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