CVE-2026-86574

CRITICAL CVSS 3.1: 9.8 EPSS 0.52%
Updated Oct 27, 2026
Hitachi
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 12
Type CWE-122 (Heap-based Buffer Overflow)
Vendor Hitachi
Public PoC No

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

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

hitachi:jp1/base