SQL Injection Vulnerability in OS4ED openSIS-Classic Assignment Management
CVE-2026-103114

5.3MEDIUM

Key Information:

Vendor

Os4ed

Status
Opensis-classic
Vendor
CVE Published:
30 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-103114?

A vulnerability exists in OS4ED openSIS-Classic versions up to 9.3, specifically in the function DBQuery_assignment found in the Assignments.php file within the Assignment Management component. This issue arises from improper handling of user inputs, allowing attackers to manipulate the argument Tables and perform SQL injection remotely. Given that exploits are publicly available, this poses a significant risk to users and administrators. The project has been aware of the issue since it was reported but has yet to address it.

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-2026-103114 - Proof of Concept

References

https://vuldb.com/vuln/411870
vdb-entrytechnical-description
https://vuldb.com/vuln/411870/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-103114
third-party-advisory

CVSS V4

Score:
5.3
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
.