CVE-2026-53667EPSS p27.0%
CVE-2026-53667CVE-2026-53667
shopify / react-router
Description
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.
Scoring
| CVSS | 6.9 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N |
| EPSS | 0.36% probability of exploitation · percentile 27.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-03 |