{"id":"GHSA-9qr9-h5gf-34mp","aliases":[],"url":"https://o3.security/vulnerability/GHSA-9qr9-h5gf-34mp","summary":"Next.js is vulnerable to RCE in React flight protocol","details":"A vulnerability affects certain React packages<sup>1</sup> 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<sup>1</sup> The affected React packages are:\n- react-server-dom-parcel\n- react-server-dom-turbopack\n- react-server-dom-webpack","published":"2025-12-03T19:07:11Z","modified":"2026-09-10T03:50:31.796397588Z","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":"next","fixedVersion":"15.0.5"},{"ecosystem":"npm","name":"next","fixedVersion":"15.1.9"},{"ecosystem":"npm","name":"next","fixedVersion":"15.2.6"},{"ecosystem":"npm","name":"next","fixedVersion":"15.3.6"},{"ecosystem":"npm","name":"next","fixedVersion":"15.4.8"},{"ecosystem":"npm","name":"next","fixedVersion":"15.5.7"},{"ecosystem":"npm","name":"next","fixedVersion":"16.0.7"}],"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":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55182"},{"type":"PACKAGE","url":"https://github.com/vercel/next.js"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:50:31.796397588Z"}}