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CVE-2026-22029

8.0 · HIGH

React Router is a router for React.

Published Jan 10, 2026CWE-79EPSS 0.87%

Overview

CVE-2026-22029 is a high-severity vulnerability. It was published on January 10, 2026 and has a CVSS 3.1 base score of 8.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

React Router is a router for React. In @remix-run/router version prior to 1.23.2 and react-router 7.0.0 through 7.11.0, React Router (and Remix v1/v2) SPA open navigation redirects originating from loaders or actions in Framework Mode, Data Mode, or the unstable RSC modes can result in unsafe URLs causing unintended javascript execution on the client. This is only an issue if you are creating redirect paths from untrusted content or via an open redirect. There is no impact if Declarative Mode (<BrowserRouter>) is being used. This issue has been patched in @remix-run/router version 1.23.2 and react-router version 7.12.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/remix-run/react-router/security/advisories/GHSA-2w69-qvjg-hvjxRefaccess.redhat.com/errata/RHSA-2026:13542Refaccess.redhat.com/errata/RHSA-2026:13548Refaccess.redhat.com/errata/RHSA-2026:1517Refaccess.redhat.com/errata/RHSA-2026:17468Refaccess.redhat.com/errata/RHSA-2026:17469Refaccess.redhat.com/errata/RHSA-2026:17474Refaccess.redhat.com/errata/RHSA-2026:19712Refaccess.redhat.com/errata/RHSA-2026:20041Refaccess.redhat.com/errata/RHSA-2026:20042

How CyberStrike helps

Frequently asked questions

What is CVE-2026-22029?

CVE-2026-22029 is a high-severity vulnerability. It was published on January 10, 2026 and has a CVSS 3.1 base score of 8.0 (HIGH).

How severe is CVE-2026-22029?

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-22029?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-22029?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-22029 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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