CVE-2026-26937 (GCVE-0-2026-26937)

Vulnerability from cvelistv5 – Published: 2026-02-26 17:51 – Updated: 2026-02-26 17:51
VLAI?
Title
Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
Summary
Uncontrolled Resource Consumption (CWE-400) in the Timelion component in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
Impacted products
Vendor Product Version
Elastic Kibana Affected: 9.0.0 , ≤ 9.2.4 (semver)
Affected: 8.0.0 , ≤ 8.19.10 (semver)
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Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Kibana",
          "vendor": "Elastic",
          "versions": [
            {
              "lessThanOrEqual": "9.2.4",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.19.10",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUncontrolled Resource Consumption (CWE-400) in the Timelion component in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)\u003c/p\u003e"
            }
          ],
          "value": "Uncontrolled Resource Consumption (CWE-400) in the Timelion component in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-153",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-153 Input Data Manipulation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-26T17:51:35.421Z",
        "orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
        "shortName": "elastic"
      },
      "references": [
        {
          "url": "https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-15/385251"
        }
      ],
      "source": {
        "discovery": "Elastic"
      },
      "title": "Uncontrolled Resource Consumption in Kibana Leading to Denial of Service",
      "x_generator": {
        "engine": "Elastic CVE Publisher 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
    "assignerShortName": "elastic",
    "cveId": "CVE-2026-26937",
    "datePublished": "2026-02-26T17:51:35.421Z",
    "dateReserved": "2026-02-16T16:42:05.774Z",
    "dateUpdated": "2026-02-26T17:51:35.421Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-26937\",\"sourceIdentifier\":\"security@elastic.co\",\"published\":\"2026-02-26T19:32:39.747\",\"lastModified\":\"2026-02-26T19:32:39.747\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Uncontrolled Resource Consumption (CWE-400) in the Timelion component in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@elastic.co\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security@elastic.co\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"references\":[{\"url\":\"https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-15/385251\",\"source\":\"security@elastic.co\"}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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