Deno has a Command Injection via Incomplete shell metacharacter blocklist in node:child_process_CVE-2026-27190

{
    "lastseen": "",
    "description": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.6.8, a command injection vulnerability exists in Deno's node:child_process implementation. This vulnerability is fixed in 2.6.8.",
    "published": "2026-02-20T20:52:11.468Z",
    "modified": "2026-02-20T20:52:11.468Z",
    "type": "cve",
    "title": "Deno has a Command Injection via Incomplete shell metacharacter blocklist in node:child_process",
    "source": "GitHub_M",
    "references": "https://github.com/denoland/deno/security/advisories/GHSA-hmh4-3xvx-q5hr\nhttps://github.com/denoland/deno/commit/9132ad958c83a0d0b199de12b69b877f63edab4c\nhttps://github.com/denoland/deno/releases/tag/v2.6.8",
    "id": "CVE-2026-27190",
    "bulletinFamily": "",
    "cwe": [
        "CWE-78"
    ],
    "cvelist": null,
    "sourceData": "denoland deno < 2.6.8",
    "sourceHref": "",
    "cvss": {
        "score": 8.1,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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": "deno",
    "version": "< 2.6.8",
    "vendor": "denoland",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}