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CriticalVulnerabilityCVE-2026-76937updated 27 Oct 2026, 10:17 UTC

JP1 Automatic Job Management System 3 has a memory overflow flaw

A bug in this job scheduling software lets data written past the end of a memory area, which can crash the service or let an attacker run their own code. Think of it as a container being overfilled so the contents spill into a neighboring o

Fix availableOfficial source
SeverityCriticalCVSS 9.4 of 10
Being exploited?UnclearNo reports either way yet
Fix available?YesUpgrade to 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 the Manager component of JP1/Automatic Job Management System 3 allows out-of-bounds memory writes in affected versions.

Why it is dangerous: A successful attack could crash the job manager or let an attacker take control of the server that schedules critical business jobs. Organizations running this manager are at risk.

Are you affected?

You are affected if you run JP1/Automatic Job Management System 3 - Manager from version 10-00 before 13-50-31.

JP1/Automatic Job Management System 3 - Manager: 10-00 up to (not including) 13-50-31

What to do

  1. Check your JP1/Automatic Job Management System 3 Manager version and confirm whether it is between 10-00 and 13-50-31.
  2. Upgrade the Manager to version 13-50-31 or later.
  3. Restrict network access to the Manager so only trusted systems can reach it until the upgrade is complete.

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-2026-76937
CVSS
9.4 / 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