CVE-2026-53667Published
React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for CVE-2026-53667)
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-2026-53667 · Microsoft / collected KEV context
cve-program · CVE-2026-53667
- https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh
- https://github.com/remix-run/react-router/pull/15177
- https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242
- 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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