---
title: "CVE-2026-11727: IBM MQ for HPE NonStop - Remote Code Execution & Denial of Service"
description: "IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 contains a remote code execution and denial of service vulnerability caused by improper validation of queue manager responses when requesting AMS policy data, letting remote attackers cause denial of service or execute arbitrary code."
url: https://panop.io/threat-heartbeat/CVE-2026-11727/
---

# CVE-2026-11727 IBM MQ for HPE NonStop - Remote Code Execution & Denial of Service

IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 contains a remote code execution and denial of service vulnerability caused by improper validation of queue manager responses when requesting AMS policy data, letting remote attackers cause denial of service or execute arbitrary code.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.44% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-11727)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

18 September 2026

Updated

15 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## Vendor fix

Update to the latest available version beyond 8.1.0.40.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-11727](https://nvd.nist.gov/vuln/detail/CVE-2026-11727)
- [https://www.ibm.com/support/pages/node/7287708](https://www.ibm.com/support/pages/node/7287708)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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