CVE-2026-11716

IBM MQ for HPE NonStop is vulnerable to a denial of service attack

Published Sep 18, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

IBM MQ V8.1 for HPE NonStop 8.1.0.40IT49922 Upgrade to CSU 8.1.0.41 https://www.ibm.com/support/fixcentral/swg/selectFixes IBM strongly recommends addressing this vulnerability now by installing CSU 8.1.0.41.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title IBM MQ for HPE NonStop is vulnerable to a denial of service attack
First Time appeared Ibm
Ibm mq For Hpe Nonstop
Weaknesses CWE-122
CPEs cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm mq For Hpe Nonstop
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Sep 22, 2026, 3:55 AM
Reserved
Jun 9, 2026, 12:32 AM
Status
Awaiting Analysis
Published
Sep 18, 2026, 8:17 PM
Modified
Sep 22, 2026, 7:32 PM