CVE-2026-2944

HIGHNVD 9.87.3▼
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-02-22. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
7.3(medium)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

February 22, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

Tosei Online Store Management System - Remote Command Execution (RCE) vulnerability V1.01 · Issue #9 · CVE-Hunter-Leo/CVE · GitHub

https://github.com/CVE-Hunter-Leo/CVE/issues/9

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-07-28 15:36 UTCEPSS rescore
  2. 2026-07-25 14:18 UTCEPSS rescore
  3. 2026-07-25 14:17 UTCEPSS rescore
  4. 2026-07-24 14:17 UTCEPSS rescore
  5. 2026-07-23 14:18 UTCEPSS rescore
  6. 2026-07-23 14:18 UTCEPSS rescore
  7. 2026-07-23 03:08 UTCEG score recompute
  8. 2026-07-22 14:08 UTCEPSS rescore
  9. 2026-07-22 14:08 UTCEPSS rescore
  10. 2026-07-21 15:24 UTCEPSS rescore
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  1. 2026-07-12 05:46 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-09 19:10 UTCEPSS rescore
  4. 2026-07-08 15:15 UTCEPSS rescore
  5. 2026-07-06 16:27 UTCEPSS rescore
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  11. 2026-07-01 15:06 UTCEPSS rescore
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  17. 2026-06-28 04:56 UTCEPSS rescore
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  19. 2026-06-27 03:08 UTCEPSS rescore
  20. 2026-06-25 13:49 UTCEPSS rescore
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  22. 2026-06-24 14:05 UTCEPSS rescore
  23. 2026-06-23 21:33 UTCEPSS rescore
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  25. 2026-06-21 14:56 UTCEPSS rescore
  26. 2026-06-21 14:56 UTCEPSS rescore
  27. 2026-06-21 01:59 UTCEPSS rescore
  28. 2026-06-19 19:25 UTCEPSS rescore
  29. 2026-06-19 19:25 UTCEPSS rescore
  30. 2026-06-18 17:52 UTCEPSS rescore
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  37. 2026-06-12 23:12 UTCEPSS rescore
  38. 2026-06-12 23:12 UTCEPSS rescore
  39. 2026-06-12 02:13 UTCGHSA enrichment
  40. 2026-06-11 14:00 UTCEPSS rescore
  41. 2026-06-10 22:18 UTCEPSS rescore
  42. 2026-06-10 22:18 UTCEPSS rescore
  43. 2026-06-10 20:10 UTCGHSA enrichment
  44. 2026-06-10 13:22 UTCEPSS rescore
  45. 2026-06-10 08:53 UTCGHSA enrichment
  46. 2026-06-09 18:34 UTCGHSA enrichment
  47. 2026-06-08 14:17 UTCEPSS rescore
  48. 2026-06-08 14:17 UTCEPSS rescore
  49. 2026-06-08 03:51 UTCGHSA enrichment
  50. 2026-06-07 16:44 UTCGHSA enrichment
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-07 15:25 UTCEPSS rescore
  53. 2026-06-07 15:25 UTCEPSS rescore
  54. 2026-06-06 13:47 UTCEPSS rescore
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  56. 2026-06-05 22:47 UTCEPSS rescore
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  58. 2026-06-05 06:10 UTCEPSS rescore
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  66. 2026-05-31 22:30 UTCEPSS rescore
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  68. 2026-05-31 00:16 UTCEPSS rescore
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  70. 2026-05-29 13:44 UTCEPSS rescore
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  72. 2026-05-28 13:44 UTCEPSS rescore
  73. 2026-05-28 13:44 UTCEPSS rescore
  74. 2026-05-28 13:44 UTCEPSS rescore
  75. 2026-05-27 13:40 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-2944?
CVE-2026-2944 is a high vulnerability published on February 22, 2026. 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…
When was CVE-2026-2944 disclosed?
CVE-2026-2944 was first published in the National Vulnerability Database on February 22, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-2944 actively exploited?
CVE-2026-2944 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 7.3% of all scored CVEs.
What is the CVSS score of CVE-2026-2944?
CVE-2026-2944 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.3.
How do I remediate CVE-2026-2944?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2944, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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