---
id: "CVE-2026-76936"
kind: "vulnerability"
aliases: ["CVE-2026-76936"]
title: "JP1 Automatic Job Management System 3: stack buffer overflow in Manager"
severity: "critical"
cvss: 9.4
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["hitachi", "infrastructure", "job-scheduling", "jp1", "linux", "windows"]
not_affected_if: []
published_at: "2026-10-27T10:16:55+00:00"
first_seen_at: "2026-10-27T10:31:02+00:00"
updated_at: "2026-10-27T10:31:47+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76936", "first_seen_at": "2026-10-27T10:31:02+00:00"}]
---

# JP1 Automatic Job Management System 3: stack buffer overflow in Manager

JP1/Automatic Job Management System 3 Manager has a stack-based buffer overflow in versions 10-00 through before 13-50-31. The sources do not say what input triggers it, but a stack overflow of this kind can let an attacker run code on the job management server.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed JP1/AJS3 Manager version in the Hitachi product's version information or install directory; unknown whether a command reports it.
- Confirm whether the Manager is in the 10-00 to 13-50-31 range.

## Fix

- Upgrade JP1/Automatic Job Management System 3 Manager to `13-50-31` or later, per the vendor advisory (unknown whether the sources link it).

## Timeline

- 2026-10-27T10:31:02+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-76936

## From the sources

Stack-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3.


This issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_