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CVE-2026-84207

Heym before 0.0.98 SSRF via WebSocket endpoints

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.0.98
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • heymrun heym

    fixed in 0.0.98

References 7

GitHub · heymrun/heym

vulncheck.com