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 attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads.
Published: 2026-11-04
Score: 7.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

This issue was addressed under Known Issue DT472703. 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

Tracking

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Advisories

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History

Wed, 04 Nov 2026 21:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502

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 attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads.
Title IBM MQ XMS .NET client is affected by an arbitrary code execution vulnerability
First Time appeared Ibm
Ibm mq
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'}

Subscriptions

Ibm Mq
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-11-04T20:26:15.673Z

Reserved: 2026-06-04T13:24:14.044Z

Link: CVE-2026-10859

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-04T21:17:48.103

Modified: 2026-11-04T21:17:48.217

Link: CVE-2026-10859

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T21:30:09Z

Weaknesses