CVE-2026-84207 (GCVE-0-2026-84207)
Vulnerability from cvelistv5
Published
2026-09-01 15:19
Modified
2026-09-01 17:34
Severity ?
5.3 (Medium) - 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
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
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.
References
Impacted products
Vendor Product Version
heymrun heym Version: 0   ≤
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