Critical severity · published Sep 8, 2026
CVE-2026-71374
Deserialization of Untrusted Data Vulnerability in Cosminexus Component Container
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Cosminexus Component Container · Hitachi
11-70-01 before 11-70-03; 11-60 before 11-60-03; 11-50 through 11-50-03; 11-40 through 11-40-03; 11-30 through 11-30-08; 11-20 before 11-20-10; +7 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71374
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71374
www.hitachi.com
https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-130/index.html
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