{"id":"CVE-2026-93441","title":"IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service","summary":"IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-400"],"vendor":"IBM","product":"QRadar Security Information and Event Management","affected":["qradar_security_information_and_event_management >= 7.4-20210823144546 <= 7.5-20260930064858","qradar_security_information_and_event_management >= 7.6-20260330053257 <= 7.6-20260930064910"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:51:16.499Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93441","references":[{"url":"https://www.ibm.com/support/pages/node/7292244"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.693Z","slug":"CVE-2026-93441","body":"## Overview\n\nIBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.\n\n## Affected\n\n- `qradar_security_information_and_event_management >= 7.4-20210823144546 <= 7.5-20260930064858`\n- `qradar_security_information_and_event_management >= 7.6-20260330053257 <= 7.6-20260930064910`\n\n## Remediation\n\nIBM strongly encourages customers to update their systems promptly.\n\nProductProtocolVersionFixIBM QRadar SIEMHTTP Receiver 7.5 PROTOCOL-HTTPReceiver-7.5-20260930064859.noarch.rpm https://www.ibm.com/support/fixcentral/swg/selectFixes IBM QRadar SIEMHTTP Receiver 7.6 PROTOCOL-HTTPReceiver-7.6-20260930064911.noarch.rpm https://www.ibm.com/support/fixcentral/swg/selectFixes \n\n\n\n\n\nThese RPMs will be updated as part of  QRadar Auto Update https://www.ibm.com/docs/en/qsip/7.6.0  where enabled.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}