{"id":"CVE-2025-56647","aliases":["GHSA-p773-8mf4-rjm5"],"url":"https://o3.security/vulnerability/CVE-2025-56647","summary":"@farmfe/core is Missing Origin Validation in WebSocket","details":"npm @farmfe/core before 1.7.6 is Missing Origin Validation in WebSocket. The development (hot module reloading) server does not validate origin when connecting to a WebSocket client. This allows attackers to surveil developers running Farm who visit their webpage and steal source code that is leaked by the WebSocket server.","published":"2026-02-12T00:00:00Z","modified":"2026-08-12T03:51:28.105225085Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:R"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@farmfe/core","fixedVersion":"1.7.6"}],"fix":{"url":"https://github.com/farm-fe/farm/commit/83342ef06e0aea37270950fd8c930422c4df0679","label":"farm-fe/farm@83342ef"},"references":[{"type":"WEB","url":"https://gist.github.com/R4356th/d4372c6f83275d583c180c0e7d7332af"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/56xxx/CVE-2025-56647.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-56647"},{"type":"REPORT","url":"https://github.com/farm-fe/farm/issues/2168"},{"type":"FIX","url":"https://github.com/farm-fe/farm/commit/83342ef06e0aea37270950fd8c930422c4df0679"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:28.105225085Z"}}