CVE-2026-19645CWE-400denial-of-service

CVE-2026-19645

Medium · published September 4, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
20.4
In the wild
Unconfirmed
What it 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 record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00289 · 20.4th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-09-04T20:17Z
References (1)
EPSS history
Timeline
  • 06 SEP 03:30Z
    EPSS moved — → 0%
    epss
  • 04 SEP 15:20Z
    Multiple vulnerabilities in IBM MQ Agent images
    cvelistv5