React Router: Arbitrary Constructor Injection via deserializeErrors() in React Router SSR Hydration

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-53666 · Microsoft / collected KEV context

GHSA-337j-9hxr-rhxg

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]

nvd · CVE-2026-53666

• https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180
• https://github.com/remix-run/react-router/commit/9d22943fd46c8ae4b08236425fa3549e10e9ad1a
• https://github.com/remix-run/react-router/pull/15175
• https://github.com/remix-run/react-router/releases/tag/[email protected]
• https://github.com/remix-run/react-router/security/advisories/GHSA-337j-9hxr-rhxg

osv · GHSA-337j-9hxr-rhxg

• 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
• https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180
• https://github.com/remix-run/react-router/releases/tag/[email protected]

No related operational record is retained in the current change model.