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Vulnerabilities

Vulnerability · CVE-2026-2944

A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01.

Published Feb 22, 2026 · catalog updated Jun 17, 2026 · online store management system

Check if you run it

No confirmed exploitation is on record for CVE-2026-2944. EPSS is 7.41%. Act only if a listed version of online store management system is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
7.41%
Remediation
Advisory link
Affected products
cpe tosei-corporation/online store management system

A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. Performing a manipulation of the argument DevId results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe tosei-corporation/online store management system1.01

How to fix CVE-2026-2944

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-2944. EPSS is 7.41%. Act only if a listed version of online store management system is installed.

Which versions are affected?

Compare what you have installed with tosei-corporation/online store management system 1.01. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-77: Command Injection; CWE-78: OS Command Injection. EPSS 7.41%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 22, 2026 · NIST NVD

    Detected

    A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. Performing a manipulation of the argument DevId results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The v

  2. Jun 17, 2026 · NIST NVD

    Updated

    A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. Performing a manipulation of the argument DevId results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The v

Sources

  • CVE.orgVulnerability recordCVE-2026-2944

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2944

    30-day exploitation probability 7.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-2944

    A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. Performing a manipulation of the argument DevId results in os command injecti

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.