CVE-2026-42138

EUVD-2026-27071
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
Affected Products (NVD)
VendorProductVersion
langgeniusdify
𝑥
< 1.13.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/langgenius/dify/releases/tag/1.13.1
https://github.com/langgenius/dify/security/advisories/GHSA-cg94-8v83-7hjj
https://github.com/langgenius/dify/security/advisories/GHSA-cg94-8v83-7hjj