Advisories

Heym before 0.0.98 SSRF via WebSocket endpoints

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severity
medium
date
Affecting
  • heym >= 0, < 0.0.98

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
euriconicacio
Description
Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal services. Attackers can craft workflow nodes with arbitrary URLs and headers to reach internal services and read responses from the WebSocket Trigger node.

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