IBM MQ: XML External Entity Injection (CVE-2026-13284)
IBM MQ versions 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD are vulnerable to an XML external entity (XXE) injection attack when processing XML data.
CVE search metadata
CVE search record: CVE-2026-13284. Severity: high. CVSS: 7.1. KEV: no. Product: MQ 9.2.0.0 through 9.2.0.44 LTS, MQ 9.3.0.0 through 9.3.0.42 LTS, MQ 9.4.0.0 through 9.4.0.26 LTS, MQ 9.4.0.0 through 9.4.5.1 CD, MQ 10.0.0.0 through 10.0.0.5 LTS and CD. Brief: IBM MQ: XML External Entity Injection (CVE-2026-13284). Brief link: https://feed.craftedsignal.io/briefs/2026-11-ibm-mq-xxe/
Triage facts
Revision 1- Applicability
- MQ 9.2.0.0 through 9.2.0.44 LTS, MQ 9.3.0.0 through 9.3.0.42 LTS +3
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Nov 4, 22:10 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
IBM MQ is vulnerable to an XML external entity (XXE) injection attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.