CVE-2026-19645: IBM Mq Agent

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM MQ Agent CD: v1.0.0, v1.0.1, v2.0.0, v2.0.1 An authenticated user with a valid session cookie can submit arbitrarily large or computationallyexpensive requests that cause the LLM agent workers to be held for extended periods — rangingfrom tens of seconds to over ten minutes per request. When multiple such requests are sentconcurrently, the agent worker pool becomes exhausted, causing all other IBM MQ Console users toexperience degraded performance or complete unavailability of the AI Agent feature.

Affected products

• IBM Mq Agent

Published 2026-09-04. Last modified 2026-09-10.