CVE-2026-53666Published
React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-53666 · Microsoft / collected KEV context
cve-program · CVE-2026-53666
- https://github.com/remix-run/react-router/security/advisories/GHSA-337j-9hxr-rhxg
- https://github.com/remix-run/react-router/pull/15175
- https://github.com/remix-run/react-router/commit/9d22943fd46c8ae4b08236425fa3549e10e9ad1a
- https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180
- https://github.com/remix-run/react-router/releases/tag/[email protected]
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