Quick answers
- Is CVE-2026-71377 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-71377 being exploited in the wild.
- How severe is CVE-2026-71377?
- Critical severity, with a CVSS score of 9.8, published 8 September 2026.
- Which products and versions are affected?
- Hitachi Cosminexus Component Container V11: 11-00-0 through 11-70-02 (multiple branches); V9: 09-00-0 through 09-87-09 (multiple branches).
- Is there a fix for CVE-2026-71377?
- 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-2026-71377 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-71377?
- 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 argument injection vulnerability exists in the operation management agent of Cosminexus Component Container. The vulnerability is triggered via network-accessible interfaces, requires no authentication or user interaction, and allows attackers to inject arbitrary command arguments. An attacker can achieve code execution with high impact on confidentiality, integrity, and availability (CVSS 9.8). Patches are available: Cosminexus Component Container versions 09-70-28, 09-87-10, 11-20-10, 11-60-03, and 11-70-03 address this issue; affected installations should upgrade immediately.
Affected products
- Hitachi Cosminexus Component Container V11: 11-00-0 through 11-70-02 (multiple branches); V9: 09-00-0 through 09-87-09 (multiple branches)
Timeline
- 2026-09-08: disclosed