CVE-2026-84207: falha de média gravidade em heymrun heym
Heym before 0.0.98 SSRF via WebSocket endpoints
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5.3epss 0.3%
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.
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
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Referências
https://github.com/heymrun/heymhttps://github.com/heymrun/heym/blob/v0.0.97/backend/app/services/websocket_trigger_service.pyhttps://github.com/heymrun/heym/blob/v0.0.97/backend/app/services/websocket_utils.pyhttps://github.com/heymrun/heym/commit/540aade7c7495295062f32f4dfd0d6805f066f0chttps://github.com/heymrun/heym/releases/tag/v0.0.98https://github.com/heymrun/heym/security/advisories/GHSA-mqw6-g845-w596https://www.vulncheck.com/advisories/heym-before-0.0.98-ssrf-via-websocket-endpoints