Deserialization in Hitachi Cosminexus Component Container
CVE-2026-71374
Deserialization of untrusted data vulnerability in Cosminexus Component Container. This issue affects Cosminexus Component Container: from 11-70-01 before 11-70-03, from 11-60 before 11-60-03, from 11-50 through 11-50-03, from 11-40 through 11-40-03, from 11-30 through 11-30-08, from 11-20 before 11-20-10, from 11-10 through 11-10-11, from 11-00 before 11-00-13, from 09-87 before 09-87-10, from 09-80 before 09-80-05, from 09-70 before 09-70-28, from 09-50 through 09-50-22, and from 09-00 through 09-00-18.
Vulnerability class: Insecure Deserialization
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- hirt@hitachi.co.jp (vendor-advisory)
Frequently asked questions
- What is CVE-2026-71374?
- CVE-2026-71374 is a critical-severity vulnerability in Hitachi Cosminexus Component Container, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-09-08.
- How severe is CVE-2026-71374?
- Critical severity. CVSS v3 base score is 9.8 out of 10.