SQL Injection Vulnerability in OS4ED openSIS-Classic Database Management
CVE-2026-103117

5.1MEDIUM

Key Information:

Vendor

Os4ed

Status
Opensis-classic
Vendor
CVE Published:
30 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-103117?

A security vulnerability identified in OS4ED openSIS-Classic affects the 'db_properties' function within the 'DatabaseInc.php' file of the Save Data Handler component. This vulnerability arises from improper handling of argument values, allowing for SQL injection attacks that can be executed remotely. Despite early notification of the issue through an issue report, the project has not yet provided a response. As the exploit has been publicly disclosed, immediate attention is required to mitigate potential security risks to users of the affected versions.

Affected Version(s)

openSIS-Classic 9.0

openSIS-Classic 9.1

openSIS-Classic 9.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-103117 - Proof of Concept

References

https://vuldb.com/vuln/411873
vdb-entrytechnical-description
https://vuldb.com/vuln/411873/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-103117
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

360alphalab (VulDB User)
VulDB CNA Team
.