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CVE-2026-19645

Multiple vulnerabilities in IBM MQ Agent images

CVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-19645

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-19645

Published

MQ Agent

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "MQ Agent",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "CD: v1.0.0, v1.0.1, v2.0.0, v2.0.1"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ibm:mq_agent:cd:*:*:*:*:*:*:*"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON