Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.
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CVE-2026-76932 is a critical stack-based buffer overflow vulnerability (CWE-121) affecting Hitachi's JP1/Automatic Job Management System 3 across both Manager and Agent components in versions 11-00 through 13-50-30. This vulnerability allows attackers to overflow a stack buffer, potentially enabling arbitrary code execution with the privileges of the affected process. Organizations running JP1 for job scheduling and workload automation—common in enterprise IT operations, particularly in financial services and manufacturing environments—face immediate risk of system compromise, lateral movement, and persistent access threats. The CVSS score of 9.4 reflects the critical nature of unauthenticated or low-privilege exploitation paths that could lead to complete system takeover.
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