What is the CVSS score of CVE-2026-22241?

CVE-2026-22241 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Openeclass are affected by CVE-2026-22241?

CVE-2026-22241 presents moderate security risk, a unrestricted file upload vulnerability rated CVSS 7.2.. A patch is available.

Is there a public PoC exploit available for CVE-2026-22241?

Yes, a public proof-of-concept exploit is available for CVE-2026-22241. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2026-22241?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Review file handling controls and restrict upload directories.

Openeclass CVE-2026-22241

HIGH

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

2026-01-08 security-advisories@github.com

RCE Openeclass

7.2

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.2 HIGH

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

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

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 23, 2026 - 19:15 vuln.today

Public exploit code

Patch released

Jan 23, 2026 - 19:15 nvd

Patch available

CVE Published

Jan 08, 2026 - 15:15 nvd

HIGH 7.2

DescriptionGitHub Advisory

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, an arbitrary file upload vulnerability in the theme import functionality enables an attacker with administrative privileges to upload arbitrary files on the server's file system. The main cause of the issue is that no validation or sanitization of the file's present inside the zip archive. This leads to remote code execution on the web server. Version 4.2 patches the issue.

AnalysisAI

Openeclass versions up to 4.2 is affected by unrestricted upload of file with dangerous type (CVSS 7.2).

Technical ContextAI

This vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) exists in the theme import component. The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, an arbitrary file upload vulnerability in the theme import functionality enables an attacker with administrative privileges to upload arbitrary files on the server's file system. The main cause of the issue is that no validation or sanitization of the file's present inside the zip archive. This leads to remote code execution on the web server. Version 4.2 patches the issue.

RemediationAI

A vendor patch is available — apply it immediately. Validate file types by content. Store uploads outside web root. Restrict network access to the affected service where possible.