What is the CVSS score of CVE-2026-24673?

CVE-2026-24673 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Open Eclass Platform are affected by CVE-2026-24673?

CVE-2026-24673 presents moderate security risk, a unrestricted file upload vulnerability rated CVSS 4.3. This could allow unauthorized file access. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2026-24673?

Yes, a public proof-of-concept exploit is available for CVE-2026-24673. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-24673?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

Open Eclass Platform CVE-2026-24673

MEDIUM

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-02-03 security-advisories@github.com

File Upload Open Eclass Platform

4.3

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 10, 2026 - 17:32 vuln.today

Public exploit code

CVE Published

Feb 03, 2026 - 18:16 nvd

MEDIUM 4.3

DescriptionGitHub Advisory

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a file upload validation bypass vulnerability allows attackers to upload files with prohibited extensions by embedding them inside ZIP archives and extracting them using the application’s built-in decompression functionality. This issue has been patched in version 4.2.

AnalysisAI

Open Eclass Platform versions up to 4.2 is affected by unrestricted upload of file with dangerous type (CVSS 4.3).

Technical ContextAI

This vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) exists in the decompression component. The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a file upload validation bypass vulnerability allows attackers to upload files with prohibited extensions by embedding them inside ZIP archives and extracting them using the application’s built-in decompression functionality. This issue has been patched in version 4.2.

RemediationAI

Fixed in version 4.2.. Validate file types by content. Store uploads outside web root. Restrict network access to the affected service where possible.