CVE-2026-49088

{
  "id": "CVE-2026-49088",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-01T17:16:35.807",
  "lastModified": "2026-10-25T17:10:00.197",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insertion of Sensitive Information into Log File (CWE-532) in Kibana can lead to information disclosure. When the optional application performance monitoring (APM) instrumentation is enabled, sensitive request header values could be recorded in application logs, where they may be accessible to operators with log access."
    },
    {
      "lang": "es",
      "value": "La inserción de información sensible en archivos de registro (CWE-532) en Kibana puede conducir a la revelación de información. Cuando la instrumentación opcional de monitoreo del rendimiento de aplicaciones (APM) está habilitada, los valores sensibles de los encabezados de solicitud podrían registrarse en los registros de la aplicación, donde podrían ser accesibles para los operadores con acceso a los registros."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Elastic",
          "product": "Kibana",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8.0.0",
              "lessThanOrEqual": "8.18.8",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.1.0",
              "lessThanOrEqual": "9.1.5",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.0.0",
              "lessThanOrEqual": "9.0.7",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "8.19.0",
              "lessThanOrEqual": "8.19.5",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-01T17:19:40.665767Z",
          "id": "CVE-2026-49088",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.0.0",
              "versionEndExcluding": "8.18.9",
              "matchCriteriaId": "C5F75DB5-0F27-44B3-9C94-8541677346E1"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.19.0",
              "versionEndExcluding": "8.19.6",
              "matchCriteriaId": "C99F0C5B-1E48-40FB-AF72-59D86CEC45B3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.0.0",
              "versionEndExcluding": "9.0.8",
              "matchCriteriaId": "A5D3776F-14E6-48FF-9D0B-67A772CD2D98"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.1.0",
              "versionEndExcluding": "9.1.6",
              "matchCriteriaId": "3D738E5D-7D73-493B-A13F-BBDF4655BC88"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://discuss.elastic.co/t/kibana-8-18-9-8-19-6-9-0-8-9-1-6-security-update-esa-2026-50",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Mitigation"
      ]
    }
  ]
}