CVE-2026-53667

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 6.9 MEDIUM

6.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180	Release Notes
https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242	Patch
https://github.com/remix-run/react-router/pull/15177	Issue Tracking Patch
https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0	Release Notes
https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mh	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:shopify:react-router:*:*:*:*:*:node.js:*:*

History

No history.

Information

Published : 2026-07-27 22:17

Updated : 2026-08-03 13:58

NVD link : CVE-2026-53667

Mitre link : CVE-2026-53667

CVE.ORG link : CVE-2026-53667

JSON object : View

Products Affected

shopify

react-router

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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