{"id":"GHSA-9qr9-h5gf-34mp","summary":"Next.js is vulnerable to RCE in React flight protocol","details":"A vulnerability affects certain React packages\u003csup\u003e1\u003c/sup\u003e for versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 and frameworks that use the affected packages, including Next.js 15.x and 16.x using the App Router. The issue is tracked upstream as [CVE-2025-55182](https://www.cve.org/CVERecord?id=CVE-2025-55182). \n\nFixed in:\nReact: 19.0.1, 19.1.2, 19.2.1\nNext.js: 15.0.5, 15.1.9, 15.2.6, 15.3.6, 15.4.8, 15.5.7, 16.0.7, 15.6.0-canary.58, 16.1.0-canary.12+\n\nThe vulnerability also affects experimental canary releases starting with 14.3.0-canary.77. Users on any of the 14.3 canary builds should either downgrade to a 14.x stable release or 14.3.0-canary.76.\n\nAll users of stable 15.x or 16.x Next.js versions should upgrade to a patched, stable version immediately.\n\n\u003csup\u003e1\u003c/sup\u003e The affected React packages are:\n- react-server-dom-parcel\n- react-server-dom-turbopack\n- react-server-dom-webpack","modified":"2026-09-10T03:50:31.796397588Z","published":"2025-12-03T19:07:11Z","related":["CVE-2025-71389"],"database_specific":{"cwe_ids":["CWE-502"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2025-12-03T19:07:11Z","nvd_published_at":"2025-12-03T18:15:47Z"},"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":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55182"},{"type":"PACKAGE","url":"https://github.com/vercel/next.js"}],"affected":[{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"14.3.0-canary.77"},{"fixed":"15.0.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"15.1.0-canary.0"},{"fixed":"15.1.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"15.2.0-canary.0"},{"fixed":"15.2.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"15.3.0-canary.0"},{"fixed":"15.3.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"15.4.0-canary.0"},{"fixed":"15.4.8"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"15.5.0-canary.0"},{"fixed":"15.5.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}},{"package":{"name":"next","ecosystem":"npm","purl":"pkg:npm/next"},"ranges":[{"type":"SEMVER","events":[{"introduced":"16.0.0-canary.0"},{"fixed":"16.0.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-9qr9-h5gf-34mp/GHSA-9qr9-h5gf-34mp.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"}]}