CVE-2026-86672Public exploitNetwork attack vector

Information disclosure via web-accessible database backup

Published Sep 8, 2026 · Updated Sep 8, 2026

Data exposure in ningzichun Student Management System 98760f5711cf6dc8b4adca53a9e207ca49b02ebf allows remote attackers to download a database backup. The deployment places example.7z in the web document root without access control, exposing archived student records and password hashes. No authentication or user interaction is required; a direct network request retrieves confidential backup contents without changing data or service availability.

CVSS severity5.3
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Data exposure in ningzichun Student Management System 98760f5711cf6dc8b4adca53a9e207ca49b02ebf allows remote attackers to download a database backup. The deployment places example.7z in the web document root without access control, exposing archived student records and password hashes. No authentication or user interaction is required; a direct network request retrieves confidential backup contents without changing data or service availability.

The record

CVE
CVE-2026-86672
Published
Sep 8, 2026
Updated
Sep 8, 2026
Vendor
ningzichun
Product
Student Management System
Classifications
CWE-200, CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=98760f5711cf6dc8b4adca53a9e207ca49b02ebf

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ningzichun · Student Management Systemversion=98760f5711cf6dc8b4adca53a9e207ca49b02ebf

Published CVSS scores

5.0VulDB CNAAV:N/AC:L/Au:N/C:P/I:N/A:N
6.9TenableCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.5NVDCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
5.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-284Improper Access Control
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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