OpenCode’s Unauthenticated HTTP Server Allows Arbitrary Command Execution_CVE-2026-22812

{
    "lastseen": "",
    "description": "OpenCode is an open source AI coding agent. Prior to 1.0.216, OpenCode automatically starts an unauthenticated HTTP server that allows any local process (or any website via permissive CORS) to execute arbitrary shell commands with the user's privileges. This vulnerability is fixed in 1.0.216.",
    "published": "2026-01-12T22:49:18.325Z",
    "modified": "2026-01-12T22:49:18.325Z",
    "type": "cve",
    "title": "OpenCode's Unauthenticated HTTP Server Allows Arbitrary Command Execution",
    "source": "GitHub_M",
    "references": "https://github.com/anomalyco/opencode/security/advisories/GHSA-vxw4-wv6m-9hhh",
    "id": "CVE-2026-22812",
    "bulletinFamily": "",
    "cwe": [
        "CWE-306",
        "CWE-749",
        "CWE-942"
    ],
    "cvelist": null,
    "sourceData": "anomalyco opencode < 1.0.216",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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": "opencode",
    "version": "< 1.0.216",
    "vendor": "anomalyco",
    "ai_description": "Unauthenticated HTTP server allows arbitrary command execution",
    "ai_severity": "High",
    "ai_vendor": "Anomaly",
    "ai_product": "OpenCode",
    "ai_version": "< 1.0.216",
    "ai_score": 8.8
}