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I. Basic Information for CVE-2026-42138
Vulnerability Information
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Vulnerability Title
Dify Vulnerable to Stored XSS via SVG-file upload
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
langgeniusdify < 1.13.1 -
II. Public POCs for CVE-2026-42138
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III. Intelligence Information for CVE-2026-42138
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IV. Related Vulnerabilities
Same product: dify
Same vendor: langgenius
Same weakness: CWE-79
V. Comments for CVE-2026-42138

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