{"id":"CVE-2026-12343","published":"2026-10-19T17:17:17.773","lastModified":"2026-10-19T20:55:02.217","description":"IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of RFH2 message header fields in queued publish/subscribe operations.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-400"],"vendors":[],"products":[],"references":[{"url":"https://www.ibm.com/support/pages/node/7292667","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}