{"id":"CVE-2026-71315","aliases":["GHSA-hxvh-4h3w-prp9"],"url":"https://o3.security/vulnerability/CVE-2026-71315","summary":"Nuxt route rules silently dropped for mixed-case paths, bypassing appMiddleware auth gates (incomplete fix for CVE-2026-53721)","details":"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.","published":"2026-08-05T21:05:15.379Z","modified":"2026-09-10T03:48:27.751051135Z","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},"epss":{"score":0.00267,"percentile":0.19029,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"nuxt","fixedVersion":"4.5.1"},{"ecosystem":"npm","name":"nuxt","fixedVersion":"3.21.10"}],"fix":{"url":"https://github.com/nuxt/nuxt/commit/619963309e082190bac4a26b05f2dd155b039b81","label":"nuxt/nuxt@6199633"},"references":[{"type":"WEB","url":"https://github.com/nuxt/nuxt/releases/tag/v3.21.10"},{"type":"WEB","url":"https://github.com/nuxt/nuxt/releases/tag/v4.5.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71315.json"},{"type":"ADVISORY","url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-hxvh-4h3w-prp9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71315"},{"type":"FIX","url":"https://github.com/nuxt/nuxt/commit/619963309e082190bac4a26b05f2dd155b039b81"},{"type":"FIX","url":"https://github.com/nuxt/nuxt/commit/ad624a75ad2d215f43633f6b40be346a7194d34d"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:48:27.751051135Z"}}