CVE-2026-53667
MEDIUM6.9CVSS v3
—CVSS v2
—
EPSS (exploit probability)
CWE-79CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.