OS Command Injection Vulnerability in Tosei Online Store Management System
CVE-2026-2944

6.9MEDIUM

Key Information:

Vendor

Tosei

Status
Online Store Management System ネット店舗管理システム
Vendor
CVE Published:
22 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2944?

A security flaw has been identified in the Tosei Online Store Management System (version 1.01), specifically within the HTTP POST Request Handler's /cgi-bin/monitor.php file. This weakness allows remote attackers to exploit the application by manipulating the DevId argument, potentially leading to OS command injection. As this vulnerability is publicly disclosed, users are highly encouraged to assess their security posture and apply necessary safeguards to mitigate potential attacks.

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Affected Version(s)

Online Store Management System ネット店舗管理システム 1.01

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-2026-2944 - Proof of Concept

References

https://vuldb.com/?id.347314
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347314
signaturepermissions-required
https://vuldb.com/?submit.754579
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

CW.Wong (VulDB User)
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