IBM WebSphere MQ 8.0 could allow an authenticated user with access to the queue manager and queue, to deny service to other channels running under the same process. IBM Reference #: 1998649.

IBM WebSphere MQ 8.0 could allow an authenticated user with access to the queue manager to bring down MQ channels using specially crafted HTTP requests. IBM Reference #: 1998648.

IBM WebSphere MQ 8.0 and 9.0 could allow an authenticated user with authority to send a specially crafted request that could cause a channel process to cease processing further requests. IBM X-Force ID: 131547.

IBM WebSphere MQ 8.0 could allow an authenticated user with authority to create a cluster object to cause a denial of service to MQ clustering. IBM Reference #: 1998647.