Skip to main content
Public proof of concept

CVE-2026-2944

A public proof of concept exists; no exploitation attested.

  • Published2026-02-22
  • WeaknessCWE-77 · CWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-02-2211:16CVE publishedNVD

Versions per branch

NVD
Tosei-corporation online store management system
BranchAffectedFixed in
1.1= 1.01no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Tosei Online Store Management System ネット店舗管理システム
    Affected
    • = 1.01no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-02-22

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2026-02-25
  • CNACVSS 4.05.5known since 2026-10-23
  • CNACVSS 3.17.3known since 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNACVSS 2.07.5known since 2026-10-23
  • CNAweakness (CWE)CWE-77, CWE-78known since 2026-10-23
  • FIRST EPSSEPSS score6.9 %2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-02-22
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-wh45-rv58-w5rc

Frequently asked questions

What is 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. 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.

Is CVE-2026-2944 actively exploited?

A proof-of-concept exploit exists for CVE-2026-2944, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-2944?

CVE-2026-2944 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record