Read the docs
TI-2026-38741 Aliases CVE-2026-53721GHSA-mm7m-92g8-7m47

Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher

Priority MEDIUM 46CWE-178Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00399 34th percentileScored 2026-11-07
Fix Fixed nuxt (nuxt): 3.21.7, 4.4.7nuxt (npm): 4.4.7, 3.21.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nuxtnuxt3.11.0 to before 3.21.7; 4.0.0 to before 4.4.73.21.7, 4.4.7Patch availableCNA
—nuxt (npm)4.0.0 to before 4.4.74.4.7Patch availableGHSA-mm7m-92g8-7m47
—nuxt (npm)3.11.0 to before 3.21.73.21.7Patch availableGHSA-mm7m-92g8-7m47
  • nuxt Vendornuxt Affected 3.11.0 to before 3.21.7; 4.0.0 to before 4.4.7 Fixed in 3.21.7, 4.4.7 Patch available CNA
  • nuxt (npm) Vendor— Affected 4.0.0 to before 4.4.7 Fixed in 4.4.7 Patch available GHSA-mm7m-92g8-7m47
  • nuxt (npm) Vendor— Affected 3.11.0 to before 3.21.7 Fixed in 3.21.7 Patch available GHSA-mm7m-92g8-7m47

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:*:*:*3.11.0 to before 3.21.7; 4.0.0 to before 4.4.7Vulnerablenuxt
  • cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:*:*:* Versions 3.11.0 to before 3.21.7; 4.0.0 to before 4.4.7 Vulnerable ·nuxt

Remediation

  • Fix · CNA nuxt (nuxt) Fixed in 3.21.7, 4.4.7
  • Fix · GHSA-mm7m-92g8-7m47 nuxt (npm) Fixed in 4.4.7 Advisory →
  • Fix · GHSA-mm7m-92g8-7m47 nuxt (npm) Fixed in 3.21.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-53721
  2. 2026-10-03 Alias added: GHSA-mm7m-92g8-7m47

References

Patch 3

Advisory 1

Other 1

  • TI-2023-03020 Code Injection in nuxt/nuxt CVSS 3.1CRITICAL 9.8
  • TI-2024-28339 Server-Side Request Forgery (SSRF) in nuxt-icon CVSS 3.1HIGH 8.6
  • TI-2024-22685 Remote code execution via the browser when running the test locally in nuxt CVSS 3.1HIGH 8.8
  • TI-2026-34788 Nuxt: Route middleware not enforced when rendering `.server.vue` pages via `/__nuxt_island/page_*` CVSS 4.0MEDIUM 6.3
  • TI-2024-22684 Cross-site Scripting (XSS) in navigateTo if used after SSR in nuxt CVSS 3.1MEDIUM 6.3
  • TI-2023-00833 Cross-site Scripting (XSS) - Generic in nuxt/framework CVSS 3.1MEDIUM 6.1
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences