CVE-2026-11727 HIGH

CVE-2026-11727: IBM MQ for HPE NonStop is vulnerable to a denial of service issue

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

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/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 IBM MQ C client could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of queue manager responses when requesting AMS policy data.

Key dates

02Disclosure timeline

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