Dify: Prior to version 1.13.1, using the method POST /api/files/upload, any unauthenticated user can…
Dify
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- Severity
- Medium, CVSS 6.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Record
- CVE-2026-42138
- Affects
- Dify
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- May 4, 2026
- Source last modified
- October 26, 2026
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.
Description quoted from the NVD record.