CVE-2026-86574
Received Received - Intake

Heap-based Buffer Overflow in JP1/Base

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Hitachi, Ltd.

Description
Heap-based Buffer Overflow Vulnerability in JP1/Base. This issue affects JP1/Base: from 11-00 before 12-50-54.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-86574
EUVD
EUVD-2026-110650

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Hitachi JP1/Base 11-00

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

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Executive Summary

CVE-2026-86574 is a critical heap-based buffer overflow vulnerability in Hitachi JP1/Base software. It allows attackers to execute arbitrary code by overwriting memory, potentially leading to system compromise. The flaw affects versions before 12-50-54 on multiple platforms including Linux, Solaris, HP-UX, and AIX.

Impact Analysis

This vulnerability can lead to complete system compromise, allowing attackers to gain control over affected systems. It may result in unauthorized data access, system crashes, or further network infiltration. Systems running vulnerable versions of JP1/Base are at high risk of exploitation.

Compliance Impact

This vulnerability could violate compliance requirements under GDPR and HIPAA by enabling unauthorized data access or breaches. Organizations using affected JP1/Base versions may face regulatory penalties, data loss, and reputational damage due to insufficient security controls.

Mitigation Strategies

Upgrade Hitachi JP1/Base to fixed versions (e.g., 12-50-54, 11-50-36) for Linux, AIX, HP-UX, and Solaris. Contact Hitachi support for specific platform updates and verify the latest fixes.

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