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IBMCVE-2026-13287

IBM MQ: XML external entity

High7.1CVE-2026-13287 · Published Sep 14, 2026 · updated Sep 16, 2026

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

IBM advisory

Affected versions

PackageAffectedFixed in
MQ
Product
>= 9.1.0.0, <= 9.1.0.37 LTSNo fix yet
>= 9.2.0.0, <= 9.2.0.43 LTSNo fix yet
>= 9.3.0.0, <= 9.3.0.41 LTSNo fix yet
>= 9.3.0.0, <= 9.3.5.1 CDNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-611

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