CVE-2026-12351

Critical

Description

IBM MQ 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 LTS, and 10.0.0.0 could allow a remote attacker to execute arbitrary code due to unsafe JNDI lookup processing when the IVT application is deployed.

SeverityCritical
CVSS9.8
Exploit probability—
ProductIbm Mq
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-74Injection

How to fix

Affected products

ProductAffected versionsFixed in
ibm mq9.3.0.0 ≤ v ≤ 9.3.0.41 LTS, 9.3.0.0 ≤ v ≤ 9.3.5.1 CD, 9.4.0.0 ≤ v ≤ 9.4.0.25 LTS, 9.4.0.0 ≤ v ≤ 9.4.5.1 LTS, 10.0.0.0—

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