Is CVE-2026-71376 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-71376 being exploited in the wild.

How severe is CVE-2026-71376?

Critical severity, with a CVSS score of 9.8, published 8 September 2026.

Which products and versions are affected?

Hitachi Cosminexus Component Container V9: 09-00 through 09-00-18, 09-50 through 09-50-22, 09-70 before 09-70-28, 09-80 before 09-80-05, 09-87 before 09-87-10; V11: 11-00 before 11-00-13, 11-10 through 11-10-11, 11-20 before 11-20-10, 11-30 through 11-30-08, 11-40 through 11-40-03, 11-50 through 11-50-03, 11-60 before 11-60-03, 11-70 before 11-70-03.

Is there a fix for CVE-2026-71376?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-71376 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-71376?

Check whether you run Hitachi Cosminexus Component Container at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-71376: Hitachi Cosminexus Component Container OS command injection

CVE-2026-71376 · Severity: critical · CVSS 9.8 · Published 2026-09-08

Cosminexus Component Container is a middleware platform used to run enterprise Java applications. An OS command injection vulnerability in its operation management agent allows unauthenticated remote attackers to execute arbitrary system commands with the privileges of the container process, potentially compromising the entire application server and all hosted applications.

Technologies: Hitachi Cosminexus Component Container. Vendors: Hitachi.

Quick answers

Is CVE-2026-71376 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-71376 being exploited in the wild.
How severe is CVE-2026-71376?: Critical severity, with a CVSS score of 9.8, published 8 September 2026.
Which products and versions are affected?: Hitachi Cosminexus Component Container V9: 09-00 through 09-00-18, 09-50 through 09-50-22, 09-70 before 09-70-28, 09-80 before 09-80-05, 09-87 before 09-87-10; V11: 11-00 before 11-00-13, 11-10 through 11-10-11, 11-20 before 11-20-10, 11-30 through 11-30-08, 11-40 through 11-40-03, 11-50 through 11-50-03, 11-60 before 11-60-03, 11-70 before 11-70-03.
Is there a fix for CVE-2026-71376?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-71376 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-71376?: Check whether you run Hitachi Cosminexus Component Container at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A command injection vulnerability exists in the operation management agent component of Cosminexus Component Container. The vulnerability is remotely exploitable over the network without authentication or user interaction required (CVSS vector: AV:N/AC:L/PR:N/UI:N). An attacker can inject arbitrary OS commands that will be executed by the container, leading to complete system compromise. The vulnerability affects multiple major versions (V9 and V11 families) across Windows, Linux, and AIX platforms. Fixed versions are available: Cosminexus Component Container 09-70-28, 09-87-10, 11-00-13, 11-20-10, 11-60-03, and 11-70-03.

Affected products

Hitachi Cosminexus Component Container V9: 09-00 through 09-00-18, 09-50 through 09-50-22, 09-70 before 09-70-28, 09-80 before 09-80-05, 09-87 before 09-87-10; V11: 11-00 before 11-00-13, 11-10 through 11-10-11, 11-20 before 11-20-10, 11-30 through 11-30-08, 11-40 through 11-40-03, 11-50 through 11-50-03, 11-60 before 11-60-03, 11-70 before 11-70-03

Timeline

2026-09-08: disclosed: CVE-2026-71376 published

References

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-132/index.html

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