Information Disclosure and Denial of Service Vulnerabilities in IBM MQ for HPE NonStop
CVE-2026-11726

8.1HIGH

Key Information:

Vendor

IBM
Status
MQ For HP Nonstop
Vendor
CVE Published:
18 September 2026

What is CVE-2026-11726?

IBM MQ for HPE NonStop versions 8.1.0 through 8.1.0.40 contain vulnerabilities that could enable authenticated attackers to gain unauthorized access to sensitive information or to cause a denial of service. This occurs due to inadequate validation of message header offset values, which could be exploited under certain conditions.

Affected Version(s)

MQ for HPE NonStop 8.1.0 <= 8.1.0.40

References

https://www.ibm.com/support/pages/node/7287707
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.