Dify — Xss (CVE-2026-26023)
Date: 2026-02
Affected: dify/dify
Attack vector: xss
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-26023
CWE: CWE-79
CVSS: 6.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Dify is an open-source LLM app development platform. Prior to 1.13.0, a cross site scripting vulnerability has been found in the web application chat frontend when using echarts. User or llm inputs containing echarts containing a specific javascript payload will be executed. This vulnerability is fixed in 1.13.0.


Mitigations:

Architectural layers (MAESTRO):