Out-of-bounds Write Vulnerability in JP1 Products

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86577
StatePUBLISHED
AssignerHitachi
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-27 10:16:56 UTC
Updated2026-10-27 15:00:49 UTC
DescriptionOut-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.

Risk And Classification

Primary CVSS: v3.1 9.4 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS: 0.004560000 probability, percentile 0.394170000 (date 2026-10-27)

Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds write

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
3.1CNACVSS9.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Hitachi JP1/Integrated Management 3 - Manager affected 13-00 13-50-31 custom Not specified
CNA Hitachi JP1/Automatic Job Management System 3 - Manager affected 13-00 13-50-31 custom Not specified
CNA Hitachi JP1/Automatic Job Management System 3 - Agent affected 13-00 13-50-31 custom Not specified
CNA Hitachi JP1/Automatic Job Management System 3 - Agent Minimal Edition affected 13-00 13-50-31 custom Not specified
CNA Hitachi JP1/Base affected 11-00 12-50-54 custom Not specified

References

ReferenceSourceLinkTags
www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-155/... [email protected] www.hitachi.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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