CVE-2024-26503

CRITICAL

Openeclass < 3.15 - Unrestricted File Upload

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-26503. PoCs published by RoboGR00t.

AI-analyzed exploit summary This is a functional exploit for CVE-2024-26503, targeting an unrestricted file upload vulnerability in Open eClass. It uploads a PHP web shell to execute arbitrary commands via a crafted GET request.

Description

Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.

Exploits (1)

nomisec WORKING POC 3 stars
by RoboGR00t · poc
https://github.com/RoboGR00t/Exploit-CVE-2024-26503

This is a functional exploit for CVE-2024-26503, targeting an unrestricted file upload vulnerability in Open eClass. It uploads a PHP web shell to execute arbitrary commands via a crafted GET request.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Open eClass
Auth required
Prerequisites: Valid Open eClass credentials · Network access to the target Open eClass instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 9.1
EPSS 0.0113
EPSS Percentile 62.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-434
Status published
Products (1)
openeclass/openeclass < 3.15
Published Mar 14, 2024
Tracked Since Feb 18, 2026