{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:zed:zed:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.229.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "433d9299a3fad19eeaa023d6a9d33f551797f56e"
            }
          ],
          "repo": "https://github.com/zed-industries/zed",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-c99f-97vf-4h5h"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44466.json"
  },
  "details": "Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.",
  "id": "CVE-2026-44466",
  "modified": "2026-07-08T05:38:01.596446565Z",
  "published": "2026-05-28T16:16:05.409Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44466.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44466"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions"
}