{"id":"CVE-2026-11728","title":"IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker to cause a …","summary":"IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker to cause a …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"IBM","product":"MQ","affected":["MQ >= 9.1.0.0 <= 9.1.0.37 LTS","MQ >= 9.2.0.0 <= 9.2.0.43 LTS","MQ >= 9.3.0.0 <= 9.3.0.41 LTS","MQ >= 9.3.0.0 <= 9.3.5.1 CD","MQ >= 9.4.0.0 <= 9.4.0.25 LTS","MQ >= 9.4.0.0 <= 9.4.5.1 CD","MQ 10.0.0.0"],"published":"2026-09-15","updated":"2026-09-16","sourceUpdated":"2026-09-16T19:21:55.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-11728","references":[{"url":"https://www.ibm.com/support/pages/node/7284943","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-15T18:33:44.415689Z"},"ingestedAt":"2026-09-15T18:41:59.136Z","epss":0.00588,"epssPercentile":0.46797,"slug":"CVE-2026-11728","body":"## Overview\n\nIBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker to cause a denial of service or potentially execute arbitrary code in the client due to a heap buffer overflow when receiving messages from a malicious queue manager or through a man-in-the-middle attack.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}