Heap-based Buffer Overflow in Hitachi JP1/Automatic Job Management System
CVE-2026-76939

9.8CRITICAL

Key Information:

Vendor

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

What is CVE-2026-76939?

A heap-based buffer overflow vulnerability exists in Hitachi's JP1/Automatic Job Management System 3. This flaw could allow an attacker to exploit the memory management aspects of the software, potentially leading to unauthorized access or code execution. The affected versions are from 11-00 prior to version 13-50-31 for both Manager and Agent components. It is crucial for users to apply the necessary updates to protect against potential exploits.

Affected Version(s)

JP1/Automatic Job Management System 3 - Agent 11-00 < 13-50-31

JP1/Automatic Job Management System 3 - Manager 11-00 < 13-50-31

References

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

CVSS V3.1

Score:
9.8
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

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