{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "6.0.0"
              },
              {
                "fixed": "6.0.47"
              },
              {
                "introduced": "7.0.0"
              },
              {
                "fixed": "7.0.27"
              },
              {
                "introduced": "7.4.0"
              },
              {
                "fixed": "7.4.11"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "5203d2ea7d901cd33d148f20586e2155901a7faa"
            },
            {
              "fixed": "39db3e7dce42aca1f772888804eb3280627347f0"
            },
            {
              "introduced": "49955f1fb5c9168a8a24b053f7ade6b3d903143c"
            },
            {
              "fixed": "e4b2990bfed4d08d711394444097a5ff4772466d"
            },
            {
              "introduced": "372a4e93c48ecd25aa666949a055a02369031861"
            },
            {
              "fixed": "a6a1f80f9dd9c9461513853ecabc5b1a6c7dd521"
            }
          ],
          "repo": "https://github.com/zabbix/zabbix",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.",
  "id": "CVE-2026-23930",
  "modified": "2026-09-10T03:31:01.917253110Z",
  "published": "2026-08-18T13:17:21.303Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://support.zabbix.com/browse/ZBX-28069"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}