CVE-2026-26023 MEDIUM

CVE-2026-26023: Client‑side DOM XSS in the web chat app of Dify when using echarts

Vendor Langgenius
Product dify
Weakness CWE-79 · XSS
Published February 11, 2026
Last update February 12, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 12, 2026 Record updated