React Router: Cross-site Scripting is Possible due to Missing RSCErrorHandler Protocol Validation (Incomplete fix for CVE-2026-53667)

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

CVE-2026-53667 · Microsoft / collected KEV context

GHSA-h8fp-f39c-q6mh

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]

nvd · CVE-2026-53667

• https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180
• https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242
• https://github.com/remix-run/react-router/pull/15177
• https://github.com/remix-run/react-router/releases/tag/[email protected]
• https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh

osv · GHSA-h8fp-f39c-q6mh

• 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
• 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.