CVE-2026-21866

MEDIUM

5.4

Beschreibung

Dify is an open-source LLM app development platform. Prior to 1.11.2, Dify is vulnerable to a stored XSS issue when rendering Mermaid diagrams within chats. This occurs because Dify’s default Mermaid configuration uses securityLevel: loose, which allows potentially unsafe content to execute. This vulnerability is fixed in 1.11.2.

CVE Details

CVSS v3.1 Bewertung5.4

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionREQUIRED

Veroffentlicht3/3/2026

Zuletzt geandert3/5/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

dify:dify

Schwachen (CWE)

CWE-79

Referenzen

https://github.com/langgenius/dify/commit/ae17537470bba417a8971fff705dd82ecb043564(security-advisories@github.com)

https://github.com/langgenius/dify/pull/29811(security-advisories@github.com)

https://github.com/langgenius/dify/security/advisories/GHSA-qpv6-75c2-75h4(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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