CVE-2026-26023— Client‑side DOM XSS in the web chat app of Dify when using echarts
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I. Basic Information for CVE-2026-26023
Vulnerability Information
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Vulnerability Title
Client‑side DOM XSS in the web chat app of Dify when using echarts
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
dify 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dify是LangGenius开源的一个开源的 LLM 应用程序开发平台。 dify 1.13.0之前版本存在跨站脚本漏洞，该漏洞源于Web应用聊天前端使用echarts时未充分验证输入，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| langgenius | dify | < 1.13.0 | - |
II. Public POCs for CVE-2026-26023
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: dify
- CVE-2026-41950
Dify < 1.14.0 Authorization Bypass via File UUID - CVE-2026-42138
Dify Vulnerable to Stored XSS via SVG-file upload - CVE-2026-34082
Dify has IDOR in deleting someone else's chat conversation - CVE-2026-6619
langgenius dify ImagePreview image-preview.tsx openInNewTab - CVE-2026-6618
langgenius dify ApiBasedToolSchemaParser parser.py parse_ope
Same vendor: langgenius
- CVE-2026-41950
Dify < 1.14.0 Authorization Bypass via File UUID - CVE-2026-42138
Dify Vulnerable to Stored XSS via SVG-file upload - CVE-2026-34082
Dify has IDOR in deleting someone else's chat conversation - CVE-2026-6619
langgenius dify ImagePreview image-preview.tsx openInNewTab - CVE-2026-6618
langgenius dify ApiBasedToolSchemaParser parser.py parse_ope
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2026-26023
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