CVE-2026-11828
Medium
Description
IBM MQ could allow a remote attacker with queue manager control or man-in-the-middle access on unencrypted channels to cause a denial of service in client applications using asynchronous message consumption due to improper validation of queue name length values.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Ibm Mq Operator
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-120CWE-120
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm mq_operator | 2.0.0 ≤ 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_images | 9.4.1.0, 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 | — |
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