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OpenAdvisories
High · 8.8 CVE-2026-53721 EUVD-2026-36427GHSA-mm7m-92g8-7m47

Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher

Published Jun 12, 2026 · Updated Jun 13, 2026 · Assigned by GitHub_M

Description

Nuxt is an open-source web development framework for Vue.js. From versions 3.11.0 to before 3.21.7 and 4.0.0 to before 4.4.7, there is a route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher. This issue has been patched in versions 3.21.7 and 4.4.7.

Affected products

VendorProductAffectedFixed
nuxt nuxt >= 3.11.0, < 3.21.7, >= 4.0.0, < 4.4.7 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm nuxt >= 4.0.0, < 4.4.7 4.4.7 GHSA-mm7m-92g8-7m47
npm nuxt >= 3.11.0, < 3.21.7 3.21.7 GHSA-mm7m-92g8-7m47

References