CVE-2026-21866

MEDIUM

5.4

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.4

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioREQUIRED

Publicado3/3/2026

Ultima modificacao3/5/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

dify:dify

Fraquezas (CWE)

CWE-79

Referencias

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)

Correlacoes IOC

Sem correlacoes registradas

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