React Router: RSCErrorHandler Missing Protocol Validation (XSS)

TRUNG BÌNH 6.1CVE-2026-53667 · GHSA-h8fp-f39c-q6mh · Công bố 27/07/2026 · cập nhật 24/10/2026

Tóm tắt nhanh

CVE-2026-53667 là lỗ hổng mức TRUNG BÌNH (CVSS 6.1) ảnh hưởng react-router (shopify), react-router.
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.36%, cao hơn 29.2% các lỗ hổng khác.
Cách xử lý: cập nhật lên 7.18.0 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
react-router shopify	`≥ 7.11.0, < 7.18.0`	`7.18.0`
react-router npm	`≥ 7.11.0, < 7.18.0`	`7.18.0`

Mô tả

This is a follow up to https://github.com/remix-run/react-router/security/advisories/GHSA-8646-j5j9-6r62. React Router was alerted of a code path in the (unstable) RSC error handling path in which redirects from untrusted sources could still result in an XSS vector via attacker-supplied redirect targets

[!NOTE] This only affects your application if you are using the unstable RSC APIs

Mô tả của NVD

React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs. This issue has been fixed in version 7.18.0.