{"id":"GHSA-fmh4-wr37-44fp","aliases":[],"url":"https://o3.security/vulnerability/GHSA-fmh4-wr37-44fp","summary":"React Server Components are Vulnerable to RCE","details":"### Summary\n\n`@vitejs/plugin-rsc` vendors `react-server-dom-webpack`, which contained an unauthenticated remote code execution vulnerability in versions prior to 19.0.1, 19.1.2, and 19.2.1. See details in React repository's advisory https://github.com/facebook/react/security/advisories/GHSA-fv66-9v8q-g76r\n\n### Impact\n\nApplications using affected versions of `@vitejs/plugin-rsc` are vulnerable to unauthenticated remote code execution through deserialization of untrusted data. An attacker can execute arbitrary code remotely without authentication, affecting confidentiality, integrity, and availability.\n\n### Recommendations\n\nUpgrade immediately to `@vitejs/plugin-rsc@0.5.3` or later.\n\n### Workarounds\n\nApplications not using server-side React or React Server Components are unaffected.","published":"2025-12-03T19:07:52Z","modified":"2025-12-11T18:28:39.190722Z","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@vitejs/plugin-rsc","fixedVersion":"0.5.3"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/facebook/react/security/advisories/GHSA-fv66-9v8q-g76r"},{"type":"WEB","url":"https://github.com/vercel/next.js/security/advisories/GHSA-9qr9-h5gf-34mp"},{"type":"WEB","url":"https://github.com/vitejs/vite-plugin-react/security/advisories/GHSA-fmh4-wr37-44fp"},{"type":"PACKAGE","url":"https://github.com/vitejs/vite-plugin-react"},{"type":"WEB","url":"https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2025-12-11T18:28:39.190722Z"}}