IBM MQ HPE NonStop <8.1.0.40: Improper Validation in Queue Manager Startup
CVE-2026-11716 Published on September 18, 2026

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

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-11716 is exploitable with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().


Products Associated with CVE-2026-11716

Want to know whenever a new CVE is published for IBM Mq For Hpe Nonstop? stack.watch will email you.

IBM Mq For Hpe Nonstop
 

Affected Versions

IBM MQ for HPE NonStop: