{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84207","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-01T11:03:27.973Z","datePublished":"2026-09-01T15:19:00.923Z","dateUpdated":"2026-09-01T17:34:22.997Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-01T15:19:00.923Z"},"datePublic":"2026-08-27T00:00:00.000Z","title":"Heym before 0.0.98 SSRF via WebSocket endpoints","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Server-Side Request Forgery (SSRF)","cweId":"CWE-918","type":"CWE"}]}],"affected":[{"vendor":"heymrun","product":"heym","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"0.0.98"},{"version":"0.0.98","status":"unaffected","versionType":"semver"}],"packageURL":"pkg:github/heymrun/heym","collectionURL":"https://github.com/heymrun/heym","repo":"https://github.com/heymrun/heym"}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/heymrun/heym","tags":["product"]},{"url":"https://github.com/heymrun/heym/security/advisories/GHSA-mqw6-g845-w596","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-mqw6-g845-w596)"},{"url":"https://github.com/heymrun/heym/commit/540aade7c7495295062f32f4dfd0d6805f066f0c","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/heymrun/heym/releases/tag/v0.0.98","tags":["release-notes"],"name":"Heym v0.0.98 Release Notes"},{"url":"https://github.com/heymrun/heym/blob/v0.0.97/backend/app/services/websocket_utils.py","tags":["technical-description"]},{"url":"https://github.com/heymrun/heym/blob/v0.0.97/backend/app/services/websocket_trigger_service.py","tags":["technical-description"]},{"name":"VulnCheck Advisory: Heym before 0.0.98 SSRF via WebSocket endpoints","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/heym-before-0.0.98-ssrf-via-websocket-endpoints"}],"credits":[{"lang":"en","value":"euriconicacio","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T17:30:12.250553Z","id":"CVE-2026-84207","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-01T17:34:22.997Z"}}]}}