IBM QRadar SIEM HTTP Receiver protocol is vulnerable to a denial of service

{
  "id": "b93570fee2c7f6e7306beeaa063dae27932ffd838ebe807136244812aa25ab3a",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-93441",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "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.",
    "evidence": "cve:CVE-2026-93441",
    "products": [
      {
        "name": {
          "value": "QRadar Security Information and Event Management",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-93441",
      "aliases": [
        "CVE-2026-93441"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "CHANGED",
            "version": "3.1",
            "baseScore": 8.6,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "integrityImpact": "NONE",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "NONE"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:qradar_security_information_and_event_management:http:*:*:*:*:*:*:*"
          ],
          "vendor": "IBM",
          "product": "QRadar Security Information and Event Management",
          "versions": [
            {
              "status": "affected",
              "version": "7.4-20210823144546",
              "versionType": "custom",
              "lessThanOrEqual": "7.5-20260930064858"
            },
            {
              "status": "affected",
              "version": "7.6-20260330053257",
              "versionType": "custom",
              "lessThanOrEqual": "7.6-20260930064910"
            }
          ]
        }
      ],
      "modified": "2026-10-26T17:37:11.672Z",
      "provider": "cve",
      "references": [
        "https://www.ibm.com/support/pages/node/7292244"
      ],
      "provider_metadata": {
        "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": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-26T17:37:11.672Z"
            }
          }
        ],
        "cna": {
          "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
          "shortName": "ibm",
          "dateUpdated": "2026-10-20T21:51:16.499Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-93441",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 326367,
  "published_at": "2026-10-20T21:51:16.499+00:00"
}