Auth bypass in Nuxt

CVE-2026-71315

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…

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

  • Nuxt — versions >= 4.4.7, < 4.5.1, >= 3.21.7, < 3.21.10

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71315?
CVE-2026-71315 is a high-severity vulnerability in Nuxt, classified under Improper Handling of Case Sensitivity. CVSS score: 8.2/10. Published 2026-08-05.
How severe is CVE-2026-71315?
High severity. CVSS v3 base score is 8.2 out of 10.