XML External Entity Injection Vulnerability in IBM MQ Products
CVE-2026-13289

7.1HIGH

Key Information:

Vendor

IBM
Status
MQ
Vendor
CVE Published:
4 November 2026

What is CVE-2026-13289?

IBM MQ versions spanning multiple releases are susceptible to an XML External Entity (XXE) injection vulnerability during XML data processing. This flaw could allow an attacker to execute remote attacks, leading to the exposure of sensitive information and potential consumption of memory resources. Proper security measures and patches are recommended to mitigate the associated risks.

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/7294499
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

.