{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "9.4.0"
              },
              {
                "fixed": "9.4.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "2e8528e92361c3399724226deaf2b46f933e925b"
            },
            {
              "fixed": "77cd231096e56b56ac1d24445a9430a252622e6d"
            }
          ],
          "repo": "https://github.com/elastic/elasticsearch",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "9.4.0"
              },
              {
                "fixed": "9.4.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "b2e39752e03b56f48f51943214475ddba1f8e974"
            },
            {
              "fixed": "08c91e2fed2dbb7bdca4ec70b32630356bbeef07"
            }
          ],
          "repo": "https://github.com/elastic/kibana",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "elastic",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63259.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "9.4.0"
          },
          {
            "last_affected": "9.4.3"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via user-supplied identifiers that reference scheduled query result data from Kibana Spaces the requester is not authorized to access.",
  "id": "CVE-2026-63259",
  "modified": "2026-08-12T03:51:19.860804431Z",
  "published": "2026-07-21T22:37:09.404Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/kibana-9-4-4-security-update-esa-2026-70/388573"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63259.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63259"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure"
}