Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows_CVE-2026-12537

{
    "lastseen": "",
    "description": "Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox host-level code execution a maliciously crafted .gemini/.env file.",
    "published": "2026-06-24T13:37:21.872Z",
    "modified": "2026-06-24T13:37:21.872Z",
    "type": "cve",
    "title": "Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows",
    "source": "GoogleCloud",
    "references": "https://github.com/google-github-actions/run-gemini-cli/security/advisories/GHSA-wpqr-6v78-jr5g",
    "id": "CVE-2026-12537",
    "bulletinFamily": "",
    "cwe": [
        "CWE-20"
    ],
    "cvelist": null,
    "sourceData": "Google Cloud Gemini CLI 0\nGoogle Cloud run-gemini-cli GitHub Action 0",
    "sourceHref": "",
    "cvss": {
        "score": 10,
        "severity": "CRITICAL",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear",
        "version": "4.0"
    },
    "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": "Gemini CLI",
    "version": "0",
    "vendor": "Google Cloud",
    "ai_description": "Unauthenticated remote code execution vulnerability in Gemini CLI and run-gemini-cli GitHub Action due to improper neutralization of OS commands",
    "ai_severity": "Critical",
    "ai_vendor": "Google Cloud",
    "ai_product": "Gemini CLI, run-gemini-cli GitHub Action",
    "ai_version": "0.39.1, 0.1.22",
    "ai_score": 10
}