CVE-2026-71374: Hitachi Cosminexus Component Container

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Hitachi Cosminexus Component Container: from 11-70-01, before 11-70-03 (fixed in 11-70-03); from 11-60, before 11-60-03 (fixed in 11-60-03); from 11-50, up to and including 11-50-03; from 11-40, up to and including 11-40-03; from 11-30, up to and including 11-30-08; from 11-20, before 11-20-10 (fixed in 11-20-10); …

Published 2026-09-08. Last modified 2026-09-08.