Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions_CVE-2026-44466

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-05-28T16:16:05.409Z",
    "modified": "2026-05-28T16:16:05.409Z",
    "type": "cve",
    "title": "Zed: Allowlist Bypass via Bash Arithmetic Expansion in Terminal Tool Permissions",
    "source": "GitHub_M",
    "references": "https://github.com/zed-industries/zed/security/advisories/GHSA-c99f-97vf-4h5h",
    "id": "CVE-2026-44466",
    "bulletinFamily": "",
    "cwe": [
        "CWE-78"
    ],
    "cvelist": null,
    "sourceData": "zed-industries zed < 0.229.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.6,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "zed",
    "version": "< 0.229.0",
    "vendor": "zed-industries",
    "ai_description": "Allowlist bypass via bash arithmetic expansion in terminal tool permissions",
    "ai_severity": "High",
    "ai_vendor": "zed-industries",
    "ai_product": "Zed",
    "ai_version": "< 0.229.0",
    "ai_score": 8.6
}