Dify Vulnerable to Stored XSS via SVG-file upload_CVE-2026-42138

{
    "lastseen": "",
    "description": "Dify is an open-source LLM app development platform. Prior to version 1.13.1, using the method POST /api/files/upload, any unauthenticated user can upload an SVG file with XSS. The method POST /v1/files/upload, which requires authentication through the application API, is also vulnerable. This issue has been patched in version 1.13.1.",
    "published": "2026-05-04T17:34:36.199Z",
    "modified": "2026-05-04T17:34:36.199Z",
    "type": "cve",
    "title": "Dify Vulnerable to Stored XSS via SVG-file upload",
    "source": "GitHub_M",
    "references": "https://github.com/langgenius/dify/security/advisories/GHSA-cg94-8v83-7hjj\nhttps://github.com/langgenius/dify/releases/tag/1.13.1",
    "id": "CVE-2026-42138",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "langgenius dify < 1.13.1",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
        "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": "",
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            "privilegesRequired": "",
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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "dify",
    "version": "< 1.13.1",
    "vendor": "langgenius",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}