How severe is CVE-2026-24666?

CVE-2026-24666 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-24666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24666?

CVE-2026-24666 affects Gunet Open Eclass Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-24666 have an EU (EUVD) identifier?

Yes. CVE-2026-24666 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5229.

When was CVE-2026-24666 published?

CVE-2026-24666 was published on 2026-02-03 and last updated on 2026-06-17.

CVE-2026-24666

CVE-2026-24666 is a medium-severity vulnerability in Gunet Open Eclass Platform with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5229
Weakness: CWE-352
Affected product: Gunet Open Eclass Platform
Published: 2026-02-03
Last modified: 2026-06-17

Description

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a Cross-Site Request Forgery (CSRF) vulnerability in multiple teacher-restricted endpoints allows attackers to induce authenticated teachers to perform unintended actions, such as modifying assignment grades, via crafted requests. This issue has been patched in version 4.2.

Frequently asked questions

What is CVE-2026-24666?: The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a Cross-Site Request Forgery (CSRF) vulnerability in multiple teacher-restricted endpoints allows attackers to induce authenticated teachers to perform unintended actions, such as modifying assignment grades, via crafted requests. This issue has been patched in version 4.2.
How severe is CVE-2026-24666?: CVE-2026-24666 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-24666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24666?: CVE-2026-24666 affects Gunet Open Eclass Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24666 have an EU (EUVD) identifier?: Yes. CVE-2026-24666 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5229.
When was CVE-2026-24666 published?: CVE-2026-24666 was published on 2026-02-03 and last updated on 2026-06-17.

References

https://github.com/gunet/openeclass/security/advisories/GHSA-cgmh-73qg-28fm

Affected products (1)

cpe:2.3:a:gunet:open_eclass_platform:*:*:*:*:*:*:*:*

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