Critical · CVSS 9.4CVE-2026-86575

Stack-based Buffer Overflow Vulnerability in JP1 ProductsCVE-2026-86575

Answer in brief

CVE-2026-86575 records a Critical severity (CVSS 9.4) vulnerability in Stack-based Buffer Overflow Vulnerability in JP1 Products. The current sources do not mark it as known exploited. The current feed maps Hitachi/JP1/Automatic Job Management System 3 - Agent (generic), Hitachi/JP1/Automatic Job Management System 3 - Agent Minimal Edition (generic), Hitachi/JP1/Automatic Job Management System 3 - Manager (generic), Hitachi/JP1/Base (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 27, 2026Updated Oct 27, 2026Source checked Oct 27, 2026First seen by HOL Oct 27, 2026Material review Oct 27, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.4
Exploitation: Not marked as known exploited
Affected software: 5 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 9.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Hitachi/JP1/Automatic Job Management System 3 - Agent (generic), Hitachi/JP1/Automatic Job Management System 3 - Agent Minimal Edition (generic), Hitachi/JP1/Automatic Job Management System 3 - Manager (generic), Hitachi/JP1/Base (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Hitachi/JP1/Automatic Job Management System 3 - Agentgeneric	>=13-00 <13-50-31	13-50-31
Hitachi/JP1/Automatic Job Management System 3 - Agent Minimal Editiongeneric	>=13-00 <13-50-31	13-50-31
Hitachi/JP1/Automatic Job Management System 3 - Managergeneric	>=13-00 <13-50-31	13-50-31
Hitachi/JP1/Basegeneric	>=11-00 <12-50-54	12-50-54
Hitachi/JP1/Integrated Management 3 - Managergeneric	>=13-00 <13-50-31	13-50-31

Recommended response

Check inventory. Check lockfiles and deployed manifests for Hitachi/JP1/Automatic Job Management System 3 - Agent, Hitachi/JP1/Automatic Job Management System 3 - Agent Minimal Edition, Hitachi/JP1/Automatic Job Management System 3 - Manager.
Review the reported fix. Update Hitachi/JP1/Automatic Job Management System 3 - Agent to 13-50-31; Hitachi/JP1/Automatic Job Management System 3 - Agent Minimal Edition to 13-50-31; Hitachi/JP1/Automatic Job Management System 3 - Manager to 13-50-31; Hitachi/JP1/Base to 12-50-54; Hitachi/JP1/Integrated Management 3 - Manager to 13-50-31 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 27, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 27, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 27, 2026

Sources and claim methodology

Source referencehitachi.com

Upstream source description

Stack-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.

Quoted source text, attributed separately from HOL analysis.