Information Disclosure Vulnerability in ningzichun Student Management System Backup Handler
CVE-2026-86672

6.9MEDIUM

Key Information:

Vendor

Ningzichun

Status
Student Management System
Vendor
CVE Published:
8 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86672?

An information disclosure vulnerability has been detected in the ningzichun Student Management System, particularly within the Backup Handler component. The weakness resides in an unknown function of the example.7z file, allowing unauthorized remote access to sensitive information. As the system employs continuous delivery with rolling releases, specific versioning details for affected or updated releases are not publicly available. Despite early notification to the project team regarding this issue, no official response has been received. This exposure poses a significant risk to the confidentiality of data handled by the system.

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-2026-86672 - Proof of Concept

References

https://vuldb.com/vuln/399762
vdb-entry
https://vuldb.com/vuln/399762/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86672
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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

kurumi (VulDB User)
VulDB CNA Team
.