high8.2
CVE-2026-53721
Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | nuxt | >= 4.0.0, < 4.4.7 | 4.4.7 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nuxt | Nuxt | from 3.11.0 before 3.21.7 from 4.0.0 before 4.4.7 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-mm7m-92g8-7m47
- https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47
- https://nvd.nist.gov/vuln/detail/CVE-2026-53721
- https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb
- https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e