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Advisories

Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes

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severity
high
date
Affecting

  • Flowise >= 0, < 3.1.4

  • Flowise >= 0, < 3.1.4

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Credit
sajdakabir
Description
Flowise before 3.1.4 fails to validate baseURL parameters in chat-model nodes, allowing authenticated users to redirect requests to arbitrary hosts. Attackers with chatflows:create or chatflows:update permissions can exfiltrate LLM provider API keys by redirecting requests to cloud metadata services or internal hosts.

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