Openeclass Open eClass up to 4.1 Decompression unrestricted upload
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Openeclass Open eClass up to 4.1. Affected is an unknown function of the component Decompression Handler. The manipulation results in unrestricted upload. This vulnerability is identified as CVE-2026-24673. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability, which was classified as critical, was found in Openeclass Open eClass up to 4.1. Affected is an unknown part of the component Decompression Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
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.
The advisory is available at github.com. This vulnerability is traded as CVE-2026-24673 since 01/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.
Upgrading to version 4.2 eliminates this vulnerability.
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Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔒
CNA Base Score: 4.3
CNA Vector (GitHub_M): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Open eClass 4.2
Timeline
01/23/2026 CVE reserved02/03/2026 Advisory disclosed
02/03/2026 VulDB entry created
02/11/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2026-24673 (🔒)
GCVE (CVE): GCVE-0-2026-24673
GCVE (VulDB): GCVE-100-344046
Entry
Created: 02/03/2026 18:35Updated: 02/11/2026 06:44
Changes: 02/03/2026 18:35 (64), 02/11/2026 06:44 (9)
Complete: 🔍
Cache ID: 216::103
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