{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "8.0.0"
              },
              {
                "fixed": "8.19.12"
              },
              {
                "introduced": "9.0.0"
              },
              {
                "fixed": "9.2.6"
              },
              {
                "introduced": "9.3.0"
              },
              {
                "last_affected": "9.3.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "1b6a7ece17463df5ff54a3e1302d825889aa1161"
            },
            {
              "fixed": "840cd2a58b052d1632219ee0b8dcc0f364226287"
            },
            {
              "introduced": "112859b85d50de2a7e63f73c8fc70b99eea24291"
            },
            {
              "fixed": "b6e59ddaac5fc0c537d10132b2a1d5511ff8b1b5"
            },
            {
              "introduced": "17b451d8979a29e31935fe1eb901310350b30e62"
            },
            {
              "last_affected": "17b451d8979a29e31935fe1eb901310350b30e62"
            }
          ],
          "repo": "https://github.com/elastic/elasticsearch",
          "type": "GIT"
        }
      ],
      "versions": [
        "9.3.0"
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
              "cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "8.0.0"
              },
              {
                "fixed": "8.19.12"
              },
              {
                "introduced": "9.0.0"
              },
              {
                "fixed": "9.2.6"
              },
              {
                "introduced": "9.3.0"
              },
              {
                "last_affected": "9.3.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "57ca5e139a33dd2eed927ce98d8231a1f217cd15"
            },
            {
              "fixed": "a2a93735478172a315d2ced4aded3024cc029648"
            },
            {
              "introduced": "504d6bfa94cca17fabb76e06152c30c4f0c3efdd"
            },
            {
              "fixed": "3223f0953e9361aa0317520c49c8b4c3796cc4c3"
            },
            {
              "introduced": "30ab63cc0017fe2da7a84fb9b285dd762468802d"
            },
            {
              "last_affected": "30ab63cc0017fe2da7a84fb9b285dd762468802d"
            }
          ],
          "repo": "https://github.com/elastic/kibana",
          "type": "GIT"
        }
      ],
      "versions": [
        "9.3.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "elastic",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26939.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "9.0.0"
          },
          {
            "last_affected": "9.2.5"
          },
          {
            "introduced": "9.3.0"
          },
          {
            "last_affected": "9.3.0"
          },
          {
            "introduced": "8.0.0"
          },
          {
            "last_affected": "8.19.11"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Missing Authorization (CWE-862) in Kibana’s server-side Detection Rule Management can lead to Unauthorized Endpoint Response Action Configuration (host isolation, process termination, and process suspension) via CAPEC-1 (Accessing Functionality Not Properly Constrained by ACLs). This requires an authenticated attacker with rule management privileges.",
  "id": "CVE-2026-26939",
  "modified": "2026-07-15T01:49:04.938713634Z",
  "published": "2026-03-19T17:11:16.507Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-19/385530"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26939.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26939"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Missing Authorization in Kibana Leading to Unauthorized Endpoint Response Action Configuration"
}