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CriticalVulnerabilityCVE-2026-76939updated 27 Oct 2026, 10:17 UTC

JP1 Automatic Job Management System 3 has a memory overflow flaw

A flaw in this job scheduling software can let someone send specially crafted data that overwrites memory, which could let them take over the system. Attackers can exploit this without a password in many setups, so it is serious.

Fix availableOfficial source
SeverityCriticalCVSS 9.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?YesVersion 13-50-31 or later · since 27 Oct 2026
How sure is this?Official sourceBacked by an official source

What happened

A heap-based buffer overflow in JP1/Automatic Job Management System 3 Manager and Agent allows memory corruption when handling crafted input. The exact trigger and required access are not described in the material.

Why it is dangerous: Successful exploitation could allow an attacker to run code or crash the service on servers that schedule and run business jobs. Organizations using this job automation software in their data centers are at risk.

Are you affected?

You are affected if you run JP1/Automatic Job Management System 3 Manager or Agent from version 11-00 up to, but not including, 13-50-31.

JP1/Automatic Job Management System 3 - Manager: 11-00 to before 13-50-31; JP1/Automatic Job Management System 3 - Agent: 11-00 to before 13-50-31

What to do

  1. Identify all JP1/Automatic Job Management System 3 Manager and Agent installations and their versions
  2. Update Manager and Agent to version 13-50-31 or later
  3. Restrict network access to the JP1 Manager and Agent services until patched

Timeline

  1. 27 Oct 2026, 10:16 UTC
    Publicly disclosed
  2. 27 Oct 2026, 10:16 UTC
    Reported by NVD · NVD
  3. 27 Oct 2026, 10:17 UTC
    Picked up by Zero Radar

Sources 1 report, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-76939
CVSS
9.8 / 10
EPSS
0.5% chance of exploitation within 30 days
Disclosed
27 Oct 2026, 10:16 UTC
On Zero Radar
27 Oct 2026, 10:17 UTC (1 min after disclosure)
Last change
27 Oct 2026, 10:17 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

JP1 Automatic Job Management System 3 has a memory overflow flaw · Zero Radar