Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service

{
  "id": "f915ab72e6a1991e6e2222866a2711b4ea4c5e4ffd4c473e96f6c0da7fe28b7c",
  "url": "https://osv.dev/vulnerability/CVE-2026-33465",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service",
    "summary": "Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user with low-level permissions could submit a specially crafted request that causes excessive resource consumption, which may render Kibana unavailable.",
    "evidence": "osv:CVE-2026-33465",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-33465",
      "aliases": [
        "CVE-2026-33465"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/elastic/elasticsearch",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1b6a7ece17463df5ff54a3e1302d825889aa1161"
                },
                {
                  "fixed": "402bbb9d596fffa14980c1dd23afca6c7c765908"
                },
                {
                  "introduced": "112859b85d50de2a7e63f73c8fc70b99eea24291"
                },
                {
                  "fixed": "17b451d8979a29e31935fe1eb901310350b30e62"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.19.17"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0.0"
                      },
                      {
                        "fixed": "9.3.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33465.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/elastic/kibana",
              "type": "GIT",
              "events": [
                {
                  "introduced": "57ca5e139a33dd2eed927ce98d8231a1f217cd15"
                },
                {
                  "fixed": "a951847dc9bf6f747f1cd9f8445c4fc10ce85d40"
                },
                {
                  "introduced": "504d6bfa94cca17fabb76e06152c30c4f0c3efdd"
                },
                {
                  "fixed": "30ab63cc0017fe2da7a84fb9b285dd762468802d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "fixed": "8.19.17"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0.0"
                      },
                      {
                        "fixed": "9.3.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33465.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.401057353Z",
      "provider": "osv",
      "references": [
        "https://discuss.elastic.co/t/kibana-8-19-17-9-3-0-security-update-esa-2026-31/390050",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33465.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-33465"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-770"
        ],
        "cna_assigner": "elastic",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0.0"
                  },
                  {
                    "last_affected": "8.19.16"
                  },
                  {
                    "introduced": "9.0.0"
                  },
                  {
                    "last_affected": "9.2.8"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33465.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-33465",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506862,
  "published_at": "2026-09-01T19:20:09.174+00:00"
}