Denial of Service Vulnerability in IBM MQ by IBM
CVE-2026-11725

8.8HIGH

Key Information:

Vendor

IBM
Status
MQ
Vendor
CVE Published:
18 September 2026

What is CVE-2026-11725?

IBM MQ contains a vulnerability that could allow an authenticated attacker to trigger a denial of service or potentially execute arbitrary code. This issue arises from an integer overflow during the processing of MQINQ requests, which could jeopardize the integrity and availability of the system. It is crucial for users to apply available patches and updates to mitigate any associated risks.

Affected Version(s)

MQ 9.1.0.0 <= 9.1.0.37 LTS

MQ 9.2.0.0 <= 9.2.0.43 LTS

MQ 9.3.0.0 <= 9.3.0.41 LTS

References

https://www.ibm.com/support/pages/node/7284944
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.