Cross Site Scripting Vulnerability in Dify LLM App Development Platform
CVE-2026-26023

5.3MEDIUM

Key Information:

Vendor

Langgenius

Status
Dify
Vendor
CVE Published:
11 February 2026

What is CVE-2026-26023?

A cross site scripting vulnerability exists in the Dify web application chat frontend due to improper handling of echarts inputs. When user or LLM inputs include a specific JavaScript payload, they may be executed in the context of the application, potentially allowing for unauthorized actions and data exposure. This vulnerability has been addressed in Dify version 1.13.0.

Affected Version(s)

dify < 1.13.0

References

https://github.com/langgenius/dify/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/langgenius/dify/commit/378a1d7d08bd0ac...
x_refsource_MISC
https://github.com/langgenius/dify/releases/tag/1.13.0
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CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.