{"id":"CVE-2026-12356","title":"IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability","summary":"IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated user with command queue access to execute …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-74"],"vendor":"IBM","product":"MQ","affected":["MQ >= 9.2.0.0 <= 9.2.0.44","MQ >= 9.3.0.0 <= 9.3.0.42","MQ >= 9.4.0.0 <= 9.4.0.26","MQ >= 9.4.0.0 <= 9.4.5.1","MQ >= 10.0.0.0 <= 10.0.0.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-06T04:56:22.607224Z"},"published":"2026-11-04","updated":"2026-11-06","sourceUpdated":"2026-11-06T11:38:02.267Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-12356","references":[{"url":"https://www.ibm.com/support/pages/node/7294642"}],"tags":["cve.org"],"epss":0.00342,"epssPercentile":0.27939,"ingestedAt":"2026-11-05T21:36:00.555Z","slug":"CVE-2026-12356","body":"## Overview\n\nIBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated user with command queue access to execute arbitrary code by injecting malicious arguments into Ant script commands.\n\n## Affected\n\n- `MQ >= 9.2.0.0 <= 9.2.0.44`\n- `MQ >= 9.3.0.0 <= 9.3.0.42`\n- `MQ >= 9.4.0.0 <= 9.4.0.26`\n- `MQ >= 9.4.0.0 <= 9.4.5.1`\n- `MQ >= 10.0.0.0 <= 10.0.0.5`\n\n## Remediation\n\nThis issue was addressed under Known Issue DT473747.\n\n\n\nIBM MQ version 9.2 LTS\n\n\n\n Apply cumulative security update 9.2.0.46 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts \n\n\n\nIBM MQ version 9.3 LTS\n\n\n\n Apply cumulative security update 9.3.0.43 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts \n\n\n\nIBM MQ version 9.4 LTS\n\n\n\n Apply fix pack 9.4.0.30 https://www.ibm.com/support/pages/downloading-ibm-mq-94 \n\n\n\nIBM MQ version 10.0.LTS\n\n\n\n Upgrade to IBM MQ version 10.0.0.6 https://www.ibm.com/support/pages/downloading-ibm-mq-100 \n\n\n\nIBM MQ version 9.4 CD and 10.0 CD\n\n\n\n Upgrade to IBM MQ version 10.0.1.0 https://www.ibm.com/support/pages/downloading-ibm-mq-100","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}