{"affected":[{"product":"MQ","source":"CNA: ibm","vendor":"IBM","versions":[{"lessThanOrEqual":"9.2.0.44","status":"affected","version":"9.2.0.0","versionType":"semver"},{"lessThanOrEqual":"9.3.0.42","status":"affected","version":"9.3.0.0","versionType":"semver"},{"lessThanOrEqual":"9.4.0.26","status":"affected","version":"9.4.0.0","versionType":"semver"},{"lessThanOrEqual":"9.4.5.1","status":"affected","version":"9.4.0.0","versionType":"semver"},{"lessThanOrEqual":"10.0.0.5","status":"affected","version":"10.0.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-10859","cwes":[],"description":"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 attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.5,"severity":"high","source":"CNA: ibm","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793823975673,"publishedAt":1793823975673,"references":[{"source":"CNA: ibm","tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7294664"}],"remediation":[{"kind":"fix","source":"CNA: ibm","text":"This issue was addressed under Known Issue DT472703.\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"},{"kind":"fix","source":"CNA: ibm","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.ibm.com/support/pages/node/7294664"}],"revision":"aff980e58900d26268272eef5b91c2236ac7885fda182f67e08153058a506cc0","sources":[{"modifiedAt":1793823975673,"name":"CNA: ibm","retrievedAt":1793826558214,"url":"https://www.cve.org/CVERecord?id=CVE-2026-10859"}],"ssvc":null,"status":"published","title":"IBM MQ XMS .NET client is affected by an arbitrary code execution vulnerability","updatedAt":1793826558214}