CVE-2026-53667React Router is a router for React.
Updated under an hour ago ()
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It affects shopify react-router. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 6.1 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
shopify react-router shopify:react-router | from 7.11.0 before 7.18.0 | NVD |
References
- https://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180release-notes
- https://github.com/remix-run/react-router/commit/ce596e823f0d7b883a433af1d5a839a8b9fe0242patch
- https://github.com/remix-run/react-router/pull/15177issue-tracking, patch
- https://github.com/remix-run/react-router/releases/tag/react-router@7.18.0release-notes
- https://github.com/remix-run/react-router/security/advisories/GHSA-h8fp-f39c-q6mhthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.