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.

INFO

Published Date :

2026-05-04T17:34:36.199Z

Last Modified :

2026-05-04T18:48:58.586Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-42138 vulnerability.

Vendors Products
Langgenius
  • Dify
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-42138.

URL Resource
https://github.com/langgenius/dify/releases/tag/1.13.1 cve-icon cve-icon
https://github.com/langgenius/dify/security/advisories/GHSA-cg94-8v83-7hjj cve-icon cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability