Skip to content
IBMCVE-2026-10747

IBM MQ Appliance: denial of service

Critical10.0CVE-2026-10747 · Published Sep 18, 2026 · updated Sep 21, 2026

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.

IBM advisory

Affected versions

PackageAffectedFixed in
MQ Appliance
Product
>= 9.4 LTS, <= 9.4.0.0 to 9.4.0.25No fix yet
>= 9.4 CD, <= 9.4.1.0 to 9.4.5.2No fix yet
>= 10.0.0.0, <= 10.0.0.1 onlyNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-122

More IBM advisories

All IBM
Advisory
IBM Guardium Data Protection: improper authorization
High8.1Sep 18
IBM Guardium Data Protection: cross-site request forgery
High8.8Sep 18
IBM Guardium Data Protection: command injection
High8.1Sep 18
IBM Guardium Data Protection: remote code execution
High7.2Sep 18
IBM Guardium Data Protection: privilege escalation
High7.8Sep 18
IBM Guardium Data Protection: information disclosure
High7.7Sep 18

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.