CVE-2026-26023
Cross-Site Scripting in Dify Chat Frontend via Echarts
Publication date: 2026-02-11
Last updated on: 2026-02-13
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dify | dify | to 1.11.4 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a cross-site scripting (XSS) issue found in the Dify open-source LLM app development platform prior to version 1.13.0. It occurs in the web application chat frontend when using echarts. Specifically, if user or LLM inputs contain echarts with a particular JavaScript payload, that payload will be executed within the application.
How can this vulnerability impact me? :
The vulnerability allows execution of arbitrary JavaScript code through crafted inputs, which can lead to malicious actions such as stealing user data, session hijacking, or performing unauthorized actions on behalf of the user. Since it is a cross-site scripting vulnerability, it can compromise the security and integrity of the web application and its users.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The vulnerability is fixed in Dify version 1.13.0. Immediate mitigation involves upgrading the Dify platform to version 1.13.0 or later.