CVE-2026-86576
Heap-based Buffer Overflow Vulnerability in JP1 Products
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| JP1/Integrated Management 3 - Manager Hitachi |
≥ 13-00; < 13-50-31 (affected, custom); unaffected at 13-50-31
Other versions: unaffected |
CNA: Hitachi |
| JP1/Automatic Job Management System 3 - Manager Hitachi |
≥ 13-00; < 13-50-31 (affected, custom); unaffected at 13-50-31
Other versions: unaffected |
CNA: Hitachi |
| JP1/Automatic Job Management System 3 - Agent Hitachi |
≥ 13-00; < 13-50-31 (affected, custom); unaffected at 13-50-31; unaffected at 13-10-31
Other versions: unaffected |
CNA: Hitachi |
| JP1/Automatic Job Management System 3 - Agent Minimal Edition Hitachi |
≥ 13-00; < 13-50-31 (affected, custom); unaffected at 13-50-31
Other versions: unaffected |
CNA: Hitachi |
| JP1/Base Hitachi |
≥ 11-00; < 12-50-54 (affected, custom); unaffected at 12-50-54; unaffected at 11-50-31
Other versions: unaffected |
CNA: Hitachi |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 9.4 critical |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L | CNA: Hitachi |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-155/index.htmlCNA: Hitachi · vendor-advisory
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