Heap-based Buffer Overflow in JP1 Products by Hitachi
CVE-2026-86576

9.4CRITICAL

Key Information:

Vendor

Hitachi
Status
Jp1/integrated Management 3 - Manager
Jp1/automatic Job Management System 3 - Manager
Jp1/automatic Job Management System 3 - Agent
Jp1/automatic Job Management System 3 - Agent Minimal Edition
Vendor
CVE Published:
27 October 2026

What is CVE-2026-86576?

A heap-based buffer overflow vulnerability has been identified in various JP1 products, allowing attackers to exploit memory allocation issues. This flaw can potentially lead to unauthorized access or disruption of services, compromising the integrity and confidentiality of the affected systems. It is critical for users to apply the necessary updates to mitigate the risks associated with this vulnerability.

Affected Version(s)

JP1/Automatic Job Management System 3 - Agent 13-00 < 13-50-31

JP1/Automatic Job Management System 3 - Agent Minimal Edition 13-00 < 13-50-31

JP1/Automatic Job Management System 3 - Manager 13-00 < 13-50-31

References

https://www.hitachi.com/products/it/software/security/inf...
vendor-advisory

CVSS V3.1

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.