CVE-2026-11716 HIGH

CVE-2026-11716: IBM MQ for HPE NonStop is vulnerable to a denial of service attack

Vendor Ibm
Product MQ for HPE NonStop
Weakness CWE-122
Published September 18, 2026
Last update September 22, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 18, 2026 CVE published
September 22, 2026 Record updated