CVE-2026-42211
1 advisory.
npm/react-router CVE-2026-42211: high 8.1, EPSS 0.42%
React Router's vendored turbo-stream v2 allows arbitrary constructor invocation via TYPE_ERROR deserialization leading to Unauth RCE
Action: Upgrade react-router to 7.14.2 or later.
npm i react-router@7.14.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.0.0 | 7.14.2 | - |
Fixed versions
| 7.14.2 |
Sources
- osv: GHSA-49rj-9fvp-4h2h
- https://github.com/remix-run/react-router/security/advisories/GHSA-49rj-9fvp-4h2h
- https://nvd.nist.gov/vuln/detail/CVE-2026-42211
- https://github.com/remix-run/react-router
CVE-2026-42211 · published · modified · JSON