[Japanese]

JVNDB-2026-032929

Vulnerability in Cosminexus

Overview

Insecure deserialization vulnerability exists in Cosminexus Component Container.
These vulnerabilities exist in Cosminexus Component Container which is a component product of other Hitachi products.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 9.8 (Critical) [Vendor Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


Hitachi, Ltd
  • uCosminexus Application Server Windows(x64) 11-00 - 11-00-01
  • uCosminexus Application Server Linux(x64) 11-00 - 11-00-01
  • uCosminexus Application Server AIX 11-00 - 11-00-02
  • uCosminexus Application Server Windows(x86) 09-00 - 09-00-03
  • uCosminexus Application Server Windows(x64) 09-00 - 09-00-02
  • uCosminexus Application Server Linux(x64) 09-00 - 09-00-04
  • uCosminexus Application Server AIX 09-00 - 09-00-02
  • uCosminexus Application Server HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Application Server(64) Windows(x64) 11-00 - 11-00-01
  • uCosminexus Application Server(64) Linux(x64) 11-00 - 11-00-01
  • uCosminexus Application Server(64) AIX 11-00 - 11-00-02
  • uCosminexus Application Server(64) Windows(x86) 09-00 - 09-00-03
  • uCosminexus Application Server(64) Windows(x64) 09-00 - 09-00-02
  • uCosminexus Application Server(64) Linux(x64) 09-00 - 09-00-04
  • uCosminexus Application Server(64) AIX 09-00 - 09-00-02
  • uCosminexus Application Server(64) HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Application Server-R Windows(x64) 11-00 - 11-00-01
  • uCosminexus Application Server-R Linux(x64) 11-00 - 11-00-01
  • uCosminexus Application Server-R AIX 11-00 - 11-00-02
  • uCosminexus Application Server-R Windows(x86) 09-00 - 09-00-03
  • uCosminexus Application Server-R Windows(x64) 09-00 - 09-00-02
  • uCosminexus Application Server-R Linux(x64) 09-00 - 09-00-04
  • uCosminexus Application Server-R AIX 09-00 - 09-00-02
  • uCosminexus Application Server-R HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Developer Windows(x64) 11-00 - 11-00-01
  • uCosminexus Developer Linux(x64) 11-00 - 11-00-01
  • uCosminexus Developer AIX 11-00 - 11-00-02
  • uCosminexus Developer Windows(x86) 09-00 - 09-00-03
  • uCosminexus Developer Windows(x64) 09-00 - 09-00-02
  • uCosminexus Developer Linux(x64) 09-00 - 09-00-04
  • uCosminexus Developer AIX 09-00 - 09-00-02
  • uCosminexus Developer HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Primary Server Base Windows(x64) 11-00 - 11-00-01
  • uCosminexus Primary Server Base Linux(x64) 11-00 - 11-00-01
  • uCosminexus Primary Server Base AIX 11-00 - 11-00-02
  • uCosminexus Primary Server Base Windows(x86) 09-00 - 09-00-03
  • uCosminexus Primary Server Base Windows(x64) 09-00 - 09-00-02
  • uCosminexus Primary Server Base Linux(x64) 09-00 - 09-00-04
  • uCosminexus Primary Server Base AIX 09-00 - 09-00-02
  • uCosminexus Primary Server Base HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Primary Server Base(64) Windows(x64) 11-00 - 11-00-01
  • uCosminexus Primary Server Base(64) Linux(x64) 11-00 - 11-00-01
  • uCosminexus Primary Server Base(64) AIX 11-00 - 11-00-02
  • uCosminexus Primary Server Base(64) Windows(x86) 09-00 - 09-00-03
  • uCosminexus Primary Server Base(64) Windows(x64) 09-00 - 09-00-02
  • uCosminexus Primary Server Base(64) Linux(x64) 09-00 - 09-00-04
  • uCosminexus Primary Server Base(64) AIX 09-00 - 09-00-02
  • uCosminexus Primary Server Base(64) HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Service Architect Windows(x64) 11-00 - 11-00-01
  • uCosminexus Service Architect Linux(x64) 11-00 - 11-00-01
  • uCosminexus Service Architect AIX 11-00 - 11-00-02
  • uCosminexus Service Architect Windows(x86) 09-00 - 09-00-03
  • uCosminexus Service Architect Windows(x64) 09-00 - 09-00-02
  • uCosminexus Service Architect Linux(x64) 09-00 - 09-00-04
  • uCosminexus Service Architect AIX 09-00 - 09-00-02
  • uCosminexus Service Architect HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Service Platform Windows(x64) 11-00 - 11-00-01
  • uCosminexus Service Platform Linux(x64) 11-00 - 11-00-01
  • uCosminexus Service Platform AIX 11-00 - 11-00-02
  • uCosminexus Service Platform Windows(x86) 09-00 - 09-00-03
  • uCosminexus Service Platform Windows(x64) 09-00 - 09-00-02
  • uCosminexus Service Platform Linux(x64) 09-00 - 09-00-04
  • uCosminexus Service Platform AIX 09-00 - 09-00-02
  • uCosminexus Service Platform HP-UX(IPF) 09-00 - 09-00-02
  • uCosminexus Service Platform(64) Windows(x64) 11-00 - 11-00-01
  • uCosminexus Service Platform(64) Linux(x64) 11-00 - 11-00-01
  • uCosminexus Service Platform(64) AIX 11-00 - 11-00-02
  • uCosminexus Service Platform(64) Windows(x86) 09-00 - 09-00-03
  • uCosminexus Service Platform(64) Windows(x64) 09-00 - 09-00-02
  • uCosminexus Service Platform(64) Linux(x64) 09-00 - 09-00-04
  • uCosminexus Service Platform(64) AIX 09-00 - 09-00-02
  • uCosminexus Service Platform(64) HP-UX(IPF) 09-00 - 09-00-02
  • Programming Environment for Java Windows(x86) 09-00 - 09-00-03
  • Programming Environment for Java Windows(x64) 09-00 - 09-00-02
  • Programming Environment for Java Linux(x64) 09-00 - 09-00-04
  • Programming Environment for Java AIX 09-00 - 09-00-02
  • Programming Environment for Java HP-UX(IPF) 09-00 - 09-00-02

Please refer to Vendor Information for more details.
Impact

Regarding the impact of the vulnerability, please refer to the vendor advisory.
Solution

Please refer to the 'Vendor Information' section for the official countermeasure and take appropriate action.
Vendor Information

Hitachi, Ltd
CWE (What is CWE?)

CVE (What is CVE?)

  1. CVE-2026-71374
References

Revision History

  • [2026/09/14]
      Web page was published

Date Public2026/09/08
Date First Published2026/09/14
Date Last Updated2026/09/14