CVE-2026-71315High· 8.2▾ TwilightNuxt is an open-source web development framework for Vue.js. From 3.21.7 until 3.21.10 and 4.5.1, mixed-case routeRules keys can fail to match case-folded lookups when router.options.sensitive is false and drop appMiddleware authorizatio…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Last analysed / modified upstream
Nuxt is an open-source web development framework for Vue.js. From 3.21.7 until 3.21.10 and 4.5.1, mixed-case routeRules keys can fail to match case-folded lookups when router.options.sensitive is false and drop appMiddleware authorization gates. This is caused by an incomplete fix for CVE-2026-53721. This issue is fixed in 3.21.10 and 4.5.1.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
nuxt >= 4.4.7, < 4.5.1nuxt >= 3.21.7, < 3.21.10Patched in:
nuxt 4.5.1nuxt 3.21.10Connected by shared product, vendor, weakness, or advisory.
GHSA-7c4v-fwgw-9rf7MediumNuxt dev server discloses project root and workspace UUID via the Chrome DevTools workspace endpoint
CVE-2026-71314High· 7.5Nuxt is an open-source web development framework for Vue.js
CVE-2026-71318Medium· 4.8Nuxt is an open-source web development framework for Vue.js
CVE-2026-71320High· 8.1Nuxt is an open-source web development framework for Vue.js
CVE-2026-71321High· 7.5Nuxt is an open-source web development framework for Vue.js
CVE-2026-53721HighNuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher