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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-84207

Heym before 0.0.98 SSRF via WebSocket endpoints

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

heymrun heym

Default version status: unaffected

  • 0 to < 0.0.98affected
  • 0.0.98unaffected
pkg:github/heymrun/heym

References