NiceGUI Path Traversal Vulnerability in app.add_media_files() Allows Arbitrary File Reading_CVE-2025-66645

{
    "lastseen": "",
    "description": "NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to  directory traversal through the App.add_media_files() function, which allows a remote attacker to read arbitrary files on the server filesystem. This issue is fixed in version 3.4.0.",
    "published": "2025-12-09T21:41:32.049Z",
    "modified": "2025-12-09T21:41:32.049Z",
    "type": "cve",
    "title": "NiceGUI Path Traversal Vulnerability in app.add_media_files() Allows Arbitrary File Reading",
    "source": "GitHub_M",
    "references": "https://github.com/zauberzeug/nicegui/security/advisories/GHSA-hxp3-63hc-5366\nhttps://github.com/zauberzeug/nicegui/commit/a1b89e2a24e1911a40389ace2153a37f4eea92a9",
    "id": "CVE-2025-66645",
    "bulletinFamily": "",
    "cwe": [
        "CWE-22"
    ],
    "cvelist": null,
    "sourceData": "zauberzeug nicegui < 3.4.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
        "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": "nicegui",
    "version": "< 3.4.0",
    "vendor": "zauberzeug",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}