Is react-router 8.4 vulnerable?
npm · 1 release from 8.4.0 to 8.4.0 · latest react-router is 8.5.1 · checked 1 Nov 2026
No known advisories in the last release
No. No react-router 8.4.x release has a known security advisory.
Which of your client projects are still on react-router 8.4?
NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact react-router version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.
Other react-router versions
Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.