{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "7.4.0"
              },
              {
                "fixed": "7.4.12"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "372a4e93c48ecd25aa666949a055a02369031861"
            },
            {
              "fixed": "63588e12eb23a212c837dbbacb005949673b353a"
            }
          ],
          "repo": "https://github.com/zabbix/zabbix",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend validate.api.exists action, leading to potential denial of service.",
  "id": "CVE-2026-23934",
  "modified": "2026-09-25T03:30:44.639171111Z",
  "published": "2026-08-18T13:17:21.717Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://support.zabbix.com/browse/ZBX-28072"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}