IBM MQ Agent CD 1.0.0/1.0.1/2.0.0/2.0.1 AI Agent resource consumption

Summaryinfo

A vulnerability identified as problematic has been detected in IBM MQ Agent CD 1.0.0/1.0.1/2.0.0/2.0.1. This impacts an unknown function of the component AI Agent. This manipulation causes resource consumption. The identification of this vulnerability is CVE-2026-19645. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM MQ Agent CD 1.0.0/1.0.1/2.0.0/2.0.1. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component AI Agent. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

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.

The advisory is shared at ibm.com. This vulnerability is known as CVE-2026-19645 since 08/12/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/04/2026). MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• IBM

Name

• MQ Agent

Version

• 1.0.1
• 2.0.0
• 2.0.1
• CD 1.0.0

License

• commercial

Website

• Vendor: https://www.ibm.com/

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