Sandbox escape in smolagents Local Python execution environment via dunder attributes_CVE-2025-9959

{
    "lastseen": "",
    "description": "Incomplete validation of dunder attributes allows an attacker to escape from the Local Python execution environment sandbox, enforced by smolagents. The attack requires a Prompt Injection in order to trick the agent to create malicious code.",
    "published": "2025-09-03T16:53:46.304Z",
    "modified": "2025-09-03T16:53:46.304Z",
    "type": "cve",
    "title": "Sandbox escape in smolagents Local Python execution environment via dunder attributes",
    "source": "JFROG",
    "references": "https://research.jfrog.com/vulnerabilities/smolagents-local-python-sandbox-escape-jfsa-2025-001434277/\nhttps://github.com/huggingface/smolagents/pull/1551",
    "id": "CVE-2025-9959",
    "bulletinFamily": "",
    "cwe": [
        "CWE-94"
    ],
    "cvelist": null,
    "sourceData": "  0",
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    "cvss": {
        "score": 7.6,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L",
        "version": "3.1"
    },
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    "href": "",
    "category_name": "CVE",
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    "version": "0",
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}