npm/@remix-run/router CVE-2026-40181: medium, EPSS 0.22%
React Router's same-origin redirect with path starting // causes open redirect via protocol-relative URL reinterpretation
Action: Upgrade @remix-run/router to 1.23.3 or later.
npm i @remix-run/router@1.23.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.3.0 | 1.23.3 | - |
Fixed versions
| 1.23.3 |
Sources
- osv: GHSA-2j2x-hqr9-3h42#npm/@remix-run/router
- https://github.com/remix-run/react-router/security/advisories/GHSA-2j2x-hqr9-3h42
- https://nvd.nist.gov/vuln/detail/CVE-2026-40181
- https://github.com/remix-run/react-router/commit/d77f6b1
- https://github.com/remix-run/react-router
CVE-2026-40181 · published · modified · JSON