IBM MQ for HPE NonStop up to 8.1.0.40 Cluster Migration input validation

Summaryinfo

A vulnerability identified as very critical has been detected in IBM MQ for HPE NonStop up to 8.1.0.40. This affects an unknown part of the component Cluster Migration. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2026-11716. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in IBM MQ for HPE NonStop up to 8.1.0.40. It has been rated as very critical. This issue affects some unknown functionality of the component Cluster Migration. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code during queue manager startup due to improper validation of cluster migration data.

The advisory is shared at ibm.com. The identification of this vulnerability is CVE-2026-11716 since 06/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/18/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• IBM

Name

• MQ for HPE NonStop

Version

• 8.1.0.0
• 8.1.0.1
• 8.1.0.2
• 8.1.0.3
• 8.1.0.4
• 8.1.0.5
• 8.1.0.6
• 8.1.0.7
• 8.1.0.8
• 8.1.0.9
• 8.1.0.10
• 8.1.0.11
• 8.1.0.12
• 8.1.0.13
• 8.1.0.14
• 8.1.0.15
• 8.1.0.16
• 8.1.0.17
• 8.1.0.18
• 8.1.0.19
• 8.1.0.20
• 8.1.0.21
• 8.1.0.22
• 8.1.0.23
• 8.1.0.24
• 8.1.0.25
• 8.1.0.26
• 8.1.0.27
• 8.1.0.28
• 8.1.0.29
• 8.1.0.30
• 8.1.0.31
• 8.1.0.32
• 8.1.0.33
• 8.1.0.34
• 8.1.0.35
• 8.1.0.36
• 8.1.0.37
• 8.1.0.38
• 8.1.0.39
• 8.1.0.40

License

• commercial

Website

• Vendor: https://www.ibm.com/

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