CVE-2026-86576

Heap-based Buffer Overflow Vulnerability in JP1 Products

State: Published
Severity: 9.4 Critical
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Sep 8, 2026

Description

Heap-based Buffer Overflow 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.

Scores

CVSS	Score	Vector	Source
3.1	9.4 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L	Hitachi

Weaknesses

CWE-122 Heap-based buffer overflow

Affected Products

Product	Versions
JP1/Integrated Management 3 - ManagerHitachi	13-00 to before 13-50-31Affectedfrom 13-50-31Not affected
JP1/Automatic Job Management System 3 - ManagerHitachi	13-00 to before 13-50-31Affectedfrom 13-50-31Not affected
JP1/Automatic Job Management System 3 - AgentHitachi	13-00 to before 13-50-31Affectedfrom 13-50-31Not affectedfrom 13-10-31Not affected
JP1/Automatic Job Management System 3 - Agent Minimal EditionHitachi	13-00 to before 13-50-31Affectedfrom 13-50-31Not affected
JP1/BaseHitachi	11-00 to before 12-50-54Affectedfrom 12-50-54Not affectedfrom 11-50-31Not affected

References

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-155/index.htmlvendor-advisory

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