Database Connection Vulnerability in ningzichun Student Management System
CVE-2026-86673

6.9MEDIUM

Key Information:

Vendor

Ningzichun

Status
Student Management System
Vendor
CVE Published:
8 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86673?

A vulnerability exists in the ningzichun Student Management System's database connection functionality, specifically in the mysqli_connect function located in config/database.php. This issue allows attackers to exploit hard-coded credentials, potentially enabling unauthorized remote access to the database. The vulnerability has been publicly disclosed, and as the product follows a rolling release model, it is crucial for users to remain informed about updates as specific version details may not be available. Despite prior notification about this vulnerability, the project has yet to address the issue.

Affected Version(s)

Student Management System 98760f5711cf6dc8b4adca53a9e207ca49b02ebf

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-2026-86673 - Proof of Concept

References

https://vuldb.com/vuln/399764
vdb-entrytechnical-description
https://vuldb.com/vuln/399764/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86673
third-party-advisory

CVSS V4

Score:
6.9
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

ctrl (VulDB User)
VulDB CNA Team
.