{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "cpe:2.3:a:elastic:kibana:9.5.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "9.0.0"
              },
              {
                "fixed": "9.4.6"
              },
              {
                "introduced": "9.5.0"
              },
              {
                "last_affected": "9.5.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "112859b85d50de2a7e63f73c8fc70b99eea24291"
            },
            {
              "fixed": "10011cbc74640115d0ffac0cef7c925aec4754f5"
            },
            {
              "introduced": "8d4246a64bc255212407b1b313fe402391299c88"
            },
            {
              "last_affected": "8d4246a64bc255212407b1b313fe402391299c88"
            }
          ],
          "repo": "https://github.com/elastic/elasticsearch",
          "type": "GIT"
        }
      ],
      "versions": [
        "9.5.0"
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "cpe:2.3:a:elastic:kibana:9.5.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "9.0.0"
              },
              {
                "fixed": "9.4.6"
              },
              {
                "introduced": "9.5.0"
              },
              {
                "last_affected": "9.5.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "504d6bfa94cca17fabb76e06152c30c4f0c3efdd"
            },
            {
              "fixed": "692551ad493ed71169e295e2160446428ee00b15"
            },
            {
              "introduced": "240f7d17d21408117f4295bcf74d48092ab0d078"
            },
            {
              "last_affected": "240f7d17d21408117f4295bcf74d48092ab0d078"
            }
          ],
          "repo": "https://github.com/elastic/kibana",
          "type": "GIT"
        }
      ],
      "versions": [
        "9.5.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "elastic",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78603.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "9.0.0"
          },
          {
            "last_affected": "9.4.5"
          },
          {
            "introduced": "9.5.0"
          },
          {
            "last_affected": "9.5.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Missing Authorization (CWE-862) in Kibana can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding minimal Elasticsearch privileges could bypass Kibana feature authorization and space access controls, resulting in the unauthorized disclosure of Fleet deployment metadata from the default Kibana space.",
  "id": "CVE-2026-78603",
  "modified": "2026-09-05T03:30:42.928484689Z",
  "published": "2026-09-01T19:20:35.832Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/kibana-9-4-6-9-5-1-security-update-esa-2026-149/390069"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78603.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78603"
    }
  ],
  "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": "Missing Authorization in Kibana Leading to Unauthorized Disclosure of Fleet Deployment Metadata"
}