XML External Entity Injection in IBM MQ Products
CVE-2026-13284

7.1HIGH

Key Information:

Vendor

IBM
Status
MQ
Vendor
CVE Published:
4 November 2026

What is CVE-2026-13284?

IBM MQ is susceptible to an XML external entity injection vulnerability while processing XML data. This flaw allows remote attackers to exploit the system and potentially expose sensitive information or exhaust memory resources, jeopardizing the integrity and availability of the service. Organizations using affected versions should promptly apply the necessary patches to mitigate this threat and protect their data.

Affected Version(s)

MQ 9.2.0.0 <= 9.2.0.44

MQ 9.3.0.0 <= 9.3.0.42

MQ 9.4.0.0 <= 9.4.0.26

References

https://www.ibm.com/support/pages/node/7294500
vendor-advisorypatch

CVSS V3.1

Score:
7.1
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

.