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CVE-2026-26023

Client‑side DOM XSS in the web chat app of Dify when using echarts

Published: Feb 11, 2026Updated: Feb 13, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.2%
Top 84.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

difylanggenius
Mixed
AI / ML / llm-serving-inference
difydify
SaaS
AI / ML / llm-serving-inference
langgeniusoss-projectAI / MLaka dify, langgenius/dify
difycommercialAI / ML

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/langgenius/dify/security/advisories/GHSA-qqjx-5h5w-x5vj
github.com
https://github.com/langgenius/dify/commit/378a1d7d08bd0ac5c75eaadc075a0f35211fcb8e
github.com
https://github.com/langgenius/dify/releases/tag/1.13.0
github.com

Timeline

Published
Feb 11, 2026
Last Updated
Feb 13, 2026

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