CVE-2026-53667

6.9 MEDIUM
Published: July 27, 2026 Modified: July 27, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180
Source: security-advisories@github.com
https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242
Source: security-advisories@github.com
https://github.com/remix-run/react-router/pull/15177
Source: security-advisories@github.com
https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0
Source: security-advisories@github.com
https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh
Source: security-advisories@github.com

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.9 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79

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