remix-run\/server-runtime vulnerabilities and fixes

Recent CVEs affecting remix-run\/server-runtime, with upgrade or downgrade steps. 1 tracked.

Also searched as: remix run\/server runtime.

remix-run\/server-runtime has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-02. Highest priority: CVE-2026-42342 (score 37/100).

• CVE-2026-42342 HIGH 7.5 UPGRADE UPGRADE React Router is a router for React

FAQ

How do I fix remix-run\/server-runtime vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is remix-run\/server-runtime being exploited right now?

None of the tracked remix-run\/server-runtime CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which remix-run\/server-runtime CVE should I patch first?

CVE-2026-42342 currently ranks highest (37/100): React Router is a router for React.

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