Unrestricted File Upload Vulnerability in DouPHP by Zhangzhou Douke Network Technology Co., Ltd.
CVE-2026-2226

5.1MEDIUM

Key Information:

Vendor

Zhangzhou Douke Network Technology Co., Ltd.

Status
DouPHP
Vendor
CVE Published:
9 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2226?

A significant vulnerability exists in DouPHP affecting versions up to 1.9, linked to improper handling of input in the file /admin/file.php, specifically concerning the ZIP File Handler. This flaw allows an attacker to manipulate the sql_filename argument, facilitating unrestricted file uploads. The vulnerability can be exploited remotely, posing serious risks to the integrity and security of affected systems. The public disclosure of this exploit heightens the urgency for users to take immediate action to safeguard their applications.

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Affected Version(s)

DouPHP 1.0

DouPHP 1.1

DouPHP 1.2

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-2026-2226 - Proof of Concept

References

https://vuldb.com/?id.344943
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344943
signaturepermissions-required
https://vuldb.com/?submit.753441
third-party-advisory

CVSS V4

Score:
5.1
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

pengroot (VulDB User)
JSON
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