CVE-2026-10574

High

Description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow when processing MQPUT or MQPUT1 operations with malformed message handle properties.

SeverityHigh
CVSS8.8
Exploit probability—
ProductIbm Mq Operator
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-122CWE-122

How to fix

Affected products

ProductAffected versionsFixed in
ibm mq_operator2.0.0 ≤ v ≤ 2.0.29, 3.2.0 ≤ v ≤ 3.2.29, 3.3.0, 3.4.0, 3.4.1, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.6.4, 3.7.0, 3.7.1, 3.7.2, 3.8.0, 3.8.1, 3.9.0, 3.9.1, 3.9.2, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4—
ibm supplied_mq_advanced_container_images9.4.1.0, 9.4.1.1, 9.4.2.0, 9.4.2.1, 9.4.3.0, 9.4.3.1, 9.4.4.0, 9.4.4.1, 9.4.5.0, 9.4.5.1, 10.0.0.0, 10.0.0.5, 9.3.0.0, 9.3.0.1, 9.3.0.3, 9.3.0.4, 9.3.0.5, 9.3.0.6, 9.3.0.10, 9.3.0.11, 9.3.0.15, 9.3.0.16, 9.3.0.17, 9.3.0.20, 9.3.0.21, 9.3.0.25, 9.4.0.0, 9.4.0.5, 9.4.0.6, 9.4.0.7, 9.4.0.10, 9.4.0.11, 9.4.0.12, 9.4.0.15, 9.4.0.16, 9.4.0.17, 9.4.0.20, 9.4.0.21, 9.4.0.25, 9.4.0.26—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.