{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "258"
              },
              {
                "fixed": "260"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "781d9d0789379d1ea1f2ecefb804d41e9c8b6c38"
            },
            {
              "fixed": "3e52279684a53ebf84d1d73d528bf400c5fb3497"
            }
          ],
          "repo": "https://github.com/systemd/systemd",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-x4h8-rrrg-q78f"
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-696"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40223.json"
  },
  "details": "In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=\u003cunset\u003e unit exists and is running.",
  "id": "CVE-2026-40223",
  "modified": "2026-07-08T05:37:13.084159103Z",
  "published": "2026-04-10T15:10:56.605Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40223.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/systemd/systemd/security/advisories/GHSA-x4h8-rrrg-q78f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40223"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}