{"id":"CVE-2026-93441","state":"PUBLISHED","title":"IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service","description":"IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.","publishedAt":"2026-10-20T21:51:16.499Z","updatedAt":"2026-10-26T17:37:11.672Z","severity":{"score":8.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","source":"ibm"},"assigner":"ibm","products":["IBM QRadar Security Information and Event Management"],"affected":[{"vendor":"IBM","product":"QRadar Security Information and Event Management","versions":[{"version":"7.4-20210823144546","status":"affected","lessThanOrEqual":"7.5-20260930064858","versionType":"custom"},{"version":"7.6-20260330053257","status":"affected","lessThanOrEqual":"7.6-20260930064910","versionType":"custom"}],"cpes":["cpe:2.3:a:ibm:qradar_security_information_and_event_management:http:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7292244"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93441.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93441","state":"PUBLISHED","datePublished":"2026-10-20T21:51:16.499Z","dateUpdated":"2026-10-26T17:37:11.672Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-09-17T22:03:39.454Z"},"containers":{"cna":{"title":"IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service","descriptions":[{"lang":"en","value":"IBM QRadar SIEM could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption."}],"affected":[{"vendor":"IBM","product":"QRadar Security Information and Event Management","versions":[{"version":"7.4-20210823144546","status":"affected","lessThanOrEqual":"7.5-20260930064858","versionType":"custom"},{"version":"7.6-20260330053257","status":"affected","lessThanOrEqual":"7.6-20260930064910","versionType":"custom"}],"cpes":["cpe:2.3:a:ibm:qradar_security_information_and_event_management:http:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7292244","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.6,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-10-20T21:51:16.499Z"},"solutions":[{"lang":"en","value":"IBM 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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM strongly encourages customers to update their systems promptly.</p><div><div><div><div><div><table><tbody><tr><td>Product</td><td>Protocol</td><td>Version</td><td>Fix</td></tr><tr><td>IBM QRadar SIEM</td><td>HTTP Receiver</td><td> 7.5</td><td><a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=IBM%20Security&amp;product=ibm/Other+software/IBM+Security+QRadar+SIEM&amp;release=All&amp;platform=Linux&amp;function=fixId&amp;fixids=7.5.0-QRADAR-DSM-JuniperJunOS-7.5-20260826070157.noarch.rpm,7.5.0-QRADAR-PROTOCOL-HTTPReceiver-7.5-20260930064859.noarch.rpm,7.6.0-QRADAR-DSM-CitrixNetScaler-7.6-20261005125714.noarch.rpm,7.6.0-QRADAR-DSM-ArubaMobility-7.6-20261005061312.noarch.rpm,7.6.0-QRADAR-DSM-JuniperJunOS-7.6-20260826070207.noarch.rpm,7.6.0-QRADAR-DSM-CiscoMeraki-7.6-20260908194712.noarch.rpm,7.5.0-QRADAR-DSM-AmazonAWSALBAccessLogs-7.5-20260928060353.noarch.rpm,7.6.0-QRADAR-DSM-AmazonAWSALBAccessLogs-7.6-20260928060405.noarch.rpm,7.5.0-QRADAR-DSM-CiscoMeraki-7.5-20260908194704.noarch.rpm,7.5.0-QRADAR-DSM-CiscoIronPort-7.5-20260928155658.noarch.rpm,7.6.0-QRADAR-PROTOCOL-HTTPReceiver-7.6-20260930064911.noarch.rpm,7.5.0-QRADAR-DSM-ArubaMobility-7.5-20261003162837.noarch.rpm,7.6.0-QRADAR-DSM-BarracudaWebApplicationFirewall-7.6-20260813063016.noarch.rpm,7.6.0-QRADAR-DSM-CiscoIronPort-7.6-20260929090932.noarch.rpm,7.5.0-QRADAR-DSM-BarracudaWebApplicationFirewall-7.5-20260811152834.noarch.rpm,7.5.0-QRADAR-DSM-CitrixNetScaler-7.5-20261005110756.noarch.rpm&amp;includeSupersedes=0&amp;source=fc\" rel=\"nofollow\">PROTOCOL-HTTPReceiver-7.5-20260930064859.noarch.rpm</a></td></tr><tr><td>IBM QRadar SIEM</td><td>HTTP Receiver</td><td> 7.6</td><td><a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=IBM%20Security&amp;product=ibm/Other+software/IBM+Security+QRadar+SIEM&amp;release=All&amp;platform=Linux&amp;function=fixId&amp;fixids=7.5.0-QRADAR-DSM-JuniperJunOS-7.5-20260826070157.noarch.rpm,7.5.0-QRADAR-PROTOCOL-HTTPReceiver-7.5-20260930064859.noarch.rpm,7.6.0-QRADAR-DSM-CitrixNetScaler-7.6-20261005125714.noarch.rpm,7.6.0-QRADAR-DSM-ArubaMobility-7.6-20261005061312.noarch.rpm,7.6.0-QRADAR-DSM-JuniperJunOS-7.6-20260826070207.noarch.rpm,7.6.0-QRADAR-DSM-CiscoMeraki-7.6-20260908194712.noarch.rpm,7.5.0-QRADAR-DSM-AmazonAWSALBAccessLogs-7.5-20260928060353.noarch.rpm,7.6.0-QRADAR-DSM-AmazonAWSALBAccessLogs-7.6-20260928060405.noarch.rpm,7.5.0-QRADAR-DSM-CiscoMeraki-7.5-20260908194704.noarch.rpm,7.5.0-QRADAR-DSM-CiscoIronPort-7.5-20260928155658.noarch.rpm,7.6.0-QRADAR-PROTOCOL-HTTPReceiver-7.6-20260930064911.noarch.rpm,7.5.0-QRADAR-DSM-ArubaMobility-7.5-20261003162837.noarch.rpm,7.6.0-QRADAR-DSM-BarracudaWebApplicationFirewall-7.6-20260813063016.noarch.rpm,7.6.0-QRADAR-DSM-CiscoIronPort-7.6-20260929090932.noarch.rpm,7.5.0-QRADAR-DSM-BarracudaWebApplicationFirewall-7.5-20260811152834.noarch.rpm,7.5.0-QRADAR-DSM-CitrixNetScaler-7.5-20261005110756.noarch.rpm&amp;includeSupersedes=0&amp;source=fc\" rel=\"nofollow\">PROTOCOL-HTTPReceiver-7.6-20260930064911.noarch.rpm</a></td></tr></tbody></table></div></div><p>These RPMs will be updated as part of <a href=\"https://www.ibm.com/docs/en/qsip/7.6.0?topic=tasks-automatic-updates\" rel=\"noopener noreferrer nofollow\">QRadar Auto Update</a> where enabled.</p></div></div></div>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-93441","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-26T17:28:33.630436Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-26T17:37:11.672Z"}}]}}}