CVE-2026-53721
1 advisory.
npm/nuxt CVE-2026-53721: high, EPSS 0.51%
Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher
Action: Upgrade nuxt to 3.21.7 or later.
npm i nuxt@4.4.7npm i nuxt@3.21.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.0.0 | 4.4.7 | - |
| 3.11.0 | 3.21.7 | - |
Fixed versions
| 4.4.7 | 3.21.7 |
Sources
- osv: 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
- https://github.com/nuxt/nuxt
CVE-2026-53721 · published · modified · JSON