CVE-2026-71374: CWE-502 Deserialization of untrusted data in Hitachi Cosminexus Component Container
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 v3.1
Score 9.8critical
Affected software
Hitachi
Cosminexus Component Container
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves unsafe deserialization of untrusted data in the Hitachi Cosminexus Component Container, identified as CWE-502. It affects a broad range of versions including 09-00 through 11-70-01 with specific intermediate versions noted. The CVSS 3.1 score of 9.8 reflects that the vulnerability can be exploited remotely without privileges or user interaction, resulting in complete compromise of confidentiality, integrity, and availability. The vendor has not yet published a remediation or patch, and no known exploits have been reported.
Potential Impact
Successful exploitation could allow an unauthenticated attacker to execute arbitrary code remotely, leading to full system compromise including confidentiality, integrity, and availability impacts. The critical CVSS score reflects the severity and potential for significant damage if exploited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should monitor vendor communications closely. No vendor-provided mitigations or temporary fixes are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Hitachi
- Date Reserved
- 2026-08-06T08:05:05.247Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9fbeceacd9273b494917d7
Added to database: 09/08/2026, 07:52:46 UTC
Last enriched: 09/08/2026, 08:07:09 UTC
Last updated: 10/21/2026, 13:22:15 UTC
Views: 75
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