Path Traversal Vulnerability in z-9527 Admin by z-9527
CVE-2026-4999

5.3MEDIUM

Key Information:

Vendor

Z-9527

Status
Admin
Vendor
CVE Published:
28 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4999?

A security flaw has been identified in the z-9527 Admin product affecting its uploadFile function located in /server/utils/upload.js. This vulnerability allows attackers to manipulate the fileType argument, resulting in unauthorized access to restricted directories on the server. Given that this product follows a rolling release approach, specific version updates or patches have not been publicly disclosed. Exploitation of this vulnerability is feasible remotely, and it has been made public, raising significant concern among users.

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Deploy the Patch

Affected Version(s)

admin 72aaf2dd05cf4ec2e98f390668b41e128eec5ad2

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-2026-4999 - Proof of Concept

References

https://vuldb.com/vuln/353886
vdb-entrytechnical-description
https://vuldb.com/vuln/353886/cti
signaturepermissions-required
https://vuldb.com/submit/778277
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

VulDB
JSON
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