IBM MQ for HPE NonStop 8.1.0-8.1.0.40 C Client AMS Validation Remote DoS/Code
CVE-2026-11727 Published on September 18, 2026
IBM MQ for HPE NonStop is vulnerable to a denial of service issue
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.
Vulnerability Analysis
CVE-2026-11727 can be exploited with network access, and does not require authorization privileges or user interaction. 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.
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-2026-11727
Want to know whenever a new CVE is published for IBM Mq For Hpe Nonstop? stack.watch will email you.
Affected Versions
IBM MQ for HPE NonStop:- Version 8.1.0, <= 8.1.0.40 is affected.