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 could allow an authenticated user with command queue access to execute arbitrary code by injecting malicious arguments into Ant script commands.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
IBM MQ affected
Version Status Constraints
9.2.0.0 affected ≤ 9.2.0.44
9.3.0.0 affected ≤ 9.3.0.42
9.4.0.0 affected ≤ 9.4.0.26
9.4.0.0 affected ≤ 9.4.5.1
10.0.0.0 affected ≤ 10.0.0.5

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
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Mq Subscribe
Advisories

No advisories yet.

Fixes

Solution

This issue was addressed under Known Issue DT473747. IBM MQ version 9.2 LTS Apply cumulative security update 9.2.0.46 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts IBM MQ version 9.3 LTS Apply cumulative security update 9.3.0.43 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts IBM MQ version 9.4 LTS Apply fix pack 9.4.0.30 https://www.ibm.com/support/pages/downloading-ibm-mq-94 IBM MQ version 10.0.LTS Upgrade to IBM MQ version 10.0.0.6 https://www.ibm.com/support/pages/downloading-ibm-mq-100 IBM MQ version 9.4 CD and 10.0 CD Upgrade to IBM MQ version 10.0.1.0 https://www.ibm.com/support/pages/downloading-ibm-mq-100

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.ibm.com/support/pages/node/7294642 cve-icon cve-icon
History

Wed, 04 Nov 2026 20:45:00 +0000

Type Values Removed Values Added
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 could allow an authenticated user with command queue access to execute arbitrary code by injecting malicious arguments into Ant script commands.
Title IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability
First Time appeared Ibm
Ibm mq
Weaknesses CWE-74
CPEs cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm mq
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-11-04T20:25:49.545Z

Reserved: 2026-06-15T21:59:30.613Z

Link: CVE-2026-12356

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-04T21:18:11.270

Modified: 2026-11-04T21:18:11.390

Link: CVE-2026-12356

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T22:30:13Z

Weaknesses