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Vulnerability · Published Nov 4, 2026 · Assigned by ibm

CVE-2026-13284IBM MQ Managed File Transfer is vulnerable to XML external entity injection

High 7.1

In plain English

A high-severity XML external entity in MQ from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.4%top 70.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

IBM MQ 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 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.

Affected products (as reported)

VendorProductVersions
IBM MQ 9.2.0.0 – through 9.2.0.449.3.0.0 – through 9.3.0.429.4.0.0 – through 9.4.0.269.4.0.0 – through 9.4.5.110.0.0.0 – through 10.0.0.5

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

References