Vulnerability details
CVE-2026-53721
nuxt nuxt
Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher
CVSS 4.0
8.8High
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 4.0 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| nuxt | nuxt | >= 3.11.0, < 3.21.7 | CVEProject cvelistV5 (CNA) |
| nuxt | nuxt | >= 4.0.0, < 4.4.7 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47 x_refsource_CONFIRM
- https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb x_refsource_MISC
- https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e x_refsource_MISC
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Details
- Published
- 2026-06-12
- Last updated
- 2026-06-13
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
0.39%
Probability of exploitation in 30 days
34.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-178Improper Handling of Case Sensitivity
- CWE-863Incorrect Authorization