CVE-2026-22030

Name: CVE-2026-22030
Creator: NVD / NIST
Published: 2026-01-10T03:15:49.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2026-22030 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. and react-router 7.0.0 through 7.11.0, React Router (or Remix v2) is vulnerable to CSRF attacks on document POST requests to UI routes when using server-side route action handlers in Framework Mode, or when using React Server Actions in the new unstable RSC modes. There is no impact if Declarative Mode (<BrowserRouter>) or Data Mode (createBrowserRouter/<RouterProvider>) is being used. This issue has been patched in @remix-run/server-runtime version 2.17.3 and react-router version 7.12.0.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

0.13%

2.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Shopify	React-Router	>= 7.0.0, <= 7.11.0
Shopify	Remix-Run\/React	< 2.17.3

References

https://github.com/remix-run/react-router/security/advisories/GHSA-h5cw-625j-3rxhVendor Advisory

Timeline

Published: Jan 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-22030?

How severe is CVE-2026-22030?

CVE-2026-22030 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2026-22030?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22030?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST