Public preview. Built from real public data on November 9, 2026, 5:41 AM UTC.
Securidigm Watch Transportation cyber intel
Home / Items
Industrial control advisorySeverity 8.8 highExploit likelihood 94%

Hitachi Energy CoreTec Product

ICSA-26-302-03 · CISA · October 27, 2026

Summary

Hitachi Energy is aware of OS command injection and Dirty Frag vulnerabilities that affect CoreTec product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on confidentiality, integrity and availability of the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.

From CISA, quoted as published. Check the source before acting.

What to do

Update to CoreTec5 version 5.0.0 Upgrade to CoreTec5 version 5.0.0 Follow general mitigation factors

Vendor fix or mitigation, quoted from the advisory.

Each CVE in this advisory

CVESeverityKnown exploitedExploit likelihoodWeakness
CVE-2026-131627.5 highNo0.2%Improper Neutralization of Special Elements used in an OS Command (CWE-78)
CVE-2026-432848.8 highNo94.2%Write-what-where Condition (CWE-123)

Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).

Affected products

VendorProductAffected versionsFixed
Hitachi EnergyCoreTec5vers:CoreTec5/<=3.4.05.0.0
Hitachi EnergyCoreTec4vers:CoreTec4/<=3.4.0—

Why it's on these mode pages

  • Maritime: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
  • Pipeline: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
  • Freight rail: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
  • Passenger rail and transit: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
  • Highway and motor carrier: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
  • Postal and parcel: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)

Change history

  1. October 27, 2026: Initial public release
  2. October 29, 2026: Initial CISA Republication of Hitachi Energy PSIRT 8DBD000258 advisory
  3. November 9, 2026: First collected by Watch

Securidigm Scout can match advisories like this one to the equipment on your own network, offline. securidigm.com