{"id":"CVE-2026-84207","summary":"Heym before 0.0.98 SSRF via WebSocket endpoints","details":"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.","aliases":["GHSA-mqw6-g845-w596"],"modified":"2026-10-28T02:31:12.286788815Z","published":"2026-09-01T15:19:00.923Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84207.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84207.json"},{"type":"ADVISORY","url":"https://github.com/heymrun/heym/releases/tag/v0.0.98"},{"type":"ADVISORY","url":"https://github.com/heymrun/heym/security/advisories/GHSA-mqw6-g845-w596"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84207"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/heym-before-0.0.98-ssrf-via-websocket-endpoints"},{"type":"FIX","url":"https://github.com/heymrun/heym/commit/540aade7c7495295062f32f4dfd0d6805f066f0c"},{"type":"PACKAGE","url":"https://github.com/heymrun/heym"},{"type":"ARTICLE","url":"https://github.com/heymrun/heym/blob/v0.0.97/backend/app/services/websocket_trigger_service.py"},{"type":"ARTICLE","url":"https://github.com/heymrun/heym/blob/v0.0.97/backend/app/services/websocket_utils.py"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/heymrun/heym","events":[{"introduced":"0"},{"fixed":"72b558913668dc36ed52eb689a9aeafe70f90378"},{"fixed":"540aade7c7495295062f32f4dfd0d6805f066f0c"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"0.0.98"}],"source":"AFFECTED_FIELD"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"540aade7c7495295062f32f4dfd0d6805f066f0c"}]},{"source":"REFERENCES_TAG","original_tag":"v0.0.98","range":[{"fixed":"72b558913668dc36ed52eb689a9aeafe70f90378"}]}]}}],"versions":["v0.0.97","v0.0.96","v0.0.95","v0.0.94","v0.0.93","v0.0.92","v0.0.91","v0.0.90","v0.0.89","v0.0.88","v0.0.87","v0.0.86","v0.0.85","v0.0.84","v0.0.83","v0.0.82","v0.0.81","v0.0.79","v0.0.80","v0.0.78","v0.0.77","v0.0.76","v0.0.75","v0.0.74","0.0.73","v0.0.72","opencode-pr-assets","0.0.71","codex-pr-assets","0.0.70","v0.0.69","v0.0.68","v0.0.67","v0.0.66","v0.0.65","v0.0.64","v0.0.63","v0.0.62","v0.0.61","v0.0.60","v0.0.59","v0.0.58","v0.0.57","v0.0.56","v0.0.55","v0.0.54","v0.0.53","v0.0.52","v0.0.51","v0.0.50","v.0.0.49","v0.0.48","v0.0.47","v0.0.46","v0.0.45","v0.0.44","v0.0.43","v0.0.42","v0.0.41","v0.0.40","v0.0.39","v0.0.38","v0.0.37","v0.0.36","v0.0.35","v0.0.34","v0.0.33","v0.0.32","v0.0.31","v0.0.30","v0.0.29","v0.0.27","v0.0.26","v0.0.25","v0.0.24","v0.0.23","v0.0.22","v0.0.21","v0.0.20","v0.0.19","v0.0.18","v0.0.17","v0.0.16","v0.0.15","v0.0.14","v0.0.13","v0.0.12","v0.0.11","v0.0.10","v0.0.9","v0.0.8","v0.0.7","v0.0.6","v0.0.5","v0.0.4","v0.0.3","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84207.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"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"}]}