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TI-2026-81055 Aliases CVE-2026-76939GHSA-jrf8-wj29-3qcq

Heap-based Buffer Overflow in JP1/Automatic Job Management System 3

Priority MEDIUM 49CWE-122Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

Hitachi JP1/Automatic Job Management System 3 Manager and Agent from 11-00 before 13-50-31 are affected. A heap-based buffer overflow (CWE-122) lets data be written past the end of a heap buffer. An unauthenticated remote attacker can trigger it over the network without user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00519 44th percentileScored 2026-11-07
Fix Fixed JP1/Automatic Job Management System 3 - Manager (Hitachi): 13-50-31JP1/Automatic Job Management System 3 - Agent (Hitachi): 13-50-31

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HitachiJP1/Automatic Job Management System 3 - Manager11-00 to before 13-50-3113-50-31Patch availableCNA
HitachiJP1/Automatic Job Management System 3 - Agent11-00 to before 13-50-3113-50-31Patch availableCNA
  • JP1/Automatic Job Management System 3 - Manager VendorHitachi Affected 11-00 to before 13-50-31 Fixed in 13-50-31 Patch available CNA
  • JP1/Automatic Job Management System 3 - Agent VendorHitachi Affected 11-00 to before 13-50-31 Fixed in 13-50-31 Patch available CNA

Remediation

Update JP1/Automatic Job Management System 3 - Manager and JP1/Automatic Job Management System 3 - Agent to 13-50-31, the fixed version for both products.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA JP1/Automatic Job Management System 3 - Manager (Hitachi) Fixed in 13-50-31
  • Fix · CNA JP1/Automatic Job Management System 3 - Agent (Hitachi) Fixed in 13-50-31

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Hitachi JP1/Automatic Job Management System 3 - Manager 13-50-31

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2026-81050 Stack buffer overflow in Hitachi JP1/Automatic Job Management System 3Priority MEDIUM 49
    • TI-2026-81051 Stack buffer overflow in Hitachi JP1/Automatic Job Management System 3Priority MEDIUM 48
  • Release ·

    Hitachi JP1/Automatic Job Management System 3 - Agent 13-50-31

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-81050 Stack buffer overflow in Hitachi JP1/Automatic Job Management System 3Priority MEDIUM 49

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-76939
  2. 2026-10-27 Alias added: GHSA-jrf8-wj29-3qcq
  3. 2026-11-04 CISA SSVC decision points changed

References

  • TI-2022-21586 Hitachi Vantara Pentaho Business Analytics Server - Use of Non-Canonical URL Paths for Authorization Decisions KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-21503 Injection in Hitachi Vantara Pentaho Business Analytics Server KEVCVSS 3.1HIGH 8.8
  • TI-2021-11702 An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business… CVSS 3.1HIGH 7.5
  • TI-2005-00319 Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with… CVSS 2.0MEDIUM 5.0
  • TI-2022-21585 Code injection in Hitachi Vantara Pentaho Business Analytics Server CVSS 3.1HIGH 8.8
  • TI-2022-21507 Hitachi Vantara Pentaho Business Analytics Server - Incorrect Permission Assignment for Critical Resource CVSS 3.1HIGH 8.8
See all 256 →

Sources