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 ↗

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

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

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