GHSA-rxv8-25v2-qmq8
React Router vulnerable to Denial of Service via reflected user input in single-fetch
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-34077
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
A DoS vulnerability exists in the React Router v7 [Framework Mode](https://reactrouter.com/start/modes#framework), as well as Remix v2.9.0+ with [Single Fetch](https://v2.remix.run/docs/guides/single-fetch) enabled. In some scenarios the underlying serialization algorithm can become a bottleneck when encoding specific types of data into server responses. Please upgrade to React Router v7.14.0 or later. > [!NOTE] > This does not impact your React Router application if you are using [Declarative Mode](https://reactrouter.com/start/modes#declarative) (`<BrowserRouter>`) or [Data Mode](https://reactrouter.com/start/modes#data) (`createBrowserRouter`/`<RouterProvider>`).
Paquets affectés
| Paquet | Versions |
|---|---|
| npm · react-router | introduced 7.0.0, fixed 7.14.0 |
| npm · turbo-stream | introduced 0, fixed 3.0.0 |
Références
- https://github.com/remix-run/react-router/security/advisories/GHSA-rxv8-25v2-qmq8 WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-34077 ADVISORY
- https://github.com/remix-run/react-router/commit/59811921d3c7d599077b8cadccdcd65a233165e0 WEB
- https://github.com/jacob-ebey/turbo-stream/blob/v2.4.1/src/flatten.ts#L175-L177 WEB
- https://github.com/jacob-ebey/turbo-stream/blob/v2.4.1/src/unflatten.ts#L185-L189 WEB
- https://github.com/remix-run/react-router PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |