CVE-2026-86577
Received Received - Intake

Out-of-Bounds Write in Hitachi JP1 Products

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Hitachi, Ltd.

Description
Out-of-bounds Write Vulnerability in JP1 Products. This issue affects JP1/Integrated Management 3 - Manager: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Manager: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent Minimal Edition: from 13-00 before 13-50-31; JP1/Base: from 11-00 before 12-50-54.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-86577
EUVD
EUVD-2026-110653

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This is an out-of-bounds write vulnerability affecting multiple Hitachi JP1 products. It allows attackers to write data beyond allocated memory boundaries, potentially leading to code execution or system crashes. The flaw exists in versions before specific patched releases for JP1/Integrated Management 3 - Manager, JP1/Automatic Job Management System 3 components, and JP1/Base.

Impact Analysis

An attacker could exploit this remotely without authentication to execute arbitrary code, gain elevated privileges, or cause denial-of-service conditions. Systems running unpatched versions of affected JP1 products are at risk of compromise, data theft, or operational disruption.

Mitigation Strategies

Upgrade affected JP1 products to fixed versions: JP1/Base to 12-50-54 or 11-50-36, JP1/Integrated Management 3 - Manager to 13-50-31, and JP1/Automatic Job Management System 3 components to 13-50-31. Contact Hitachi support for assistance.

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