{"id":"GHSA-fv66-9v8q-g76r","revision":"a8dc5f6dfe204fb78288faa194de84e7","records":[{"revision":"a8dc5f6dfe204fb78288faa194de84e7","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-fv66-9v8q-g76r","aliases":["CVE-2025-55182"],"title":"React Server Components are Vulnerable to RCE","description":"### Impact\n\nThere is an unauthenticated remote code execution vulnerability in React Server Components.\n\nWe recommend upgrading immediately.\n\nThe vulnerability is present in versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 of:\n* [react-server-dom-webpack](https://www.npmjs.com/package/react-server-dom-webpack)\n* [react-server-dom-parcel](https://www.npmjs.com/package/react-server-dom-parcel)\n* [react-server-dom-turbopack](https://www.npmjs.com/package/react-server-dom-turbopack?activeTab=readme)\n\n### Patches\n\nA fix was introduced in versions [19.0.1](https://github.com/facebook/react/releases/tag/v19.0.1), [19.1.2](https://github.com/facebook/react/releases/tag/v19.1.2), and [19.2.1](https://github.com/facebook/react/releases/tag/v19.2.1). If you are using any of the above packages please upgrade to any of the fixed versions immediately.\n\nIf your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.\n\n### References\n\nSee the [blog post](https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components) for more information and upgrade instructions.","state":0,"publishedAt":"2025-12-03T19:07:39+00:00","modifiedAt":"2025-12-09T17:46:07.154758+00:00","affected":[{"ecosystem":"npm","name":"react-server-dom-webpack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.0.0"},{"kind":"fixed","version":"19.0.1"}]}],"versions":["19.0.0"],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-webpack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.1.0"},{"kind":"fixed","version":"19.1.2"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-webpack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.2.0"},{"kind":"fixed","version":"19.2.1"}]}],"versions":["19.2.0"],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-turbopack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.0.0"},{"kind":"fixed","version":"19.0.1"}]}],"versions":["19.0.0"],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-turbopack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.1.0"},{"kind":"fixed","version":"19.1.2"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-turbopack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.2.0"},{"kind":"fixed","version":"19.2.1"}]}],"versions":["19.2.0"],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-parcel","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.0.0"},{"kind":"fixed","version":"19.0.1"}]}],"versions":["19.0.0"],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-parcel","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.1.0"},{"kind":"fixed","version":"19.1.2"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"react-server-dom-parcel","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"19.2.0"},{"kind":"fixed","version":"19.2.1"}]}],"versions":["19.2.0"],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"CRITICAL"}],"references":["https://github.com/facebook/react/security/advisories/GHSA-fv66-9v8q-g76r","https://nvd.nist.gov/vuln/detail/CVE-2025-55182","https://github.com/facebook/react/pull/35277","https://github.com/facebook/react/commit/7dc903cd29dac55efb4424853fd0442fef3a8700","https://github.com/ejpir/CVE-2025-55182-poc","https://github.com/facebook/react","https://github.com/facebook/react/releases/tag/v19.0.1","https://github.com/facebook/react/releases/tag/v19.1.2","https://github.com/facebook/react/releases/tag/v19.2.1","https://news.ycombinator.com/item?id=46136026","https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components","https://www.facebook.com/security/advisories/cve-2025-55182","http://www.openwall.com/lists/oss-security/2025/12/03/4"],"sourceUrl":"https://github.com/advisories/GHSA-fv66-9v8q-g76r","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-fv66-9v8q-g76r","identifiers":["GHSA-fv66-9v8q-g76r","CVE-2025-55182"]},"retained":false,"historicalAffected":[]}],"coverage":[]}