CVE-2026-53721

HIGH EPSS 21.0%
Published Jun 12, 20262w ago · Modified Jun 17, 20261w ago
8.8 CVSS 4.0
High
Find Similar
Published Jun 12, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
8.8
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
21.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-178
CWE-863 Incorrect Authorization Authorization

Affected Products 2

VendorProductVersionRange
nuxtnuxt*≥3.11.0  –  <3.21.7
nuxtnuxt*≥4.0.0  –  <4.4.7

References 3

  • github.com https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb
    Patch
  • github.com https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e
    Patch
  • github.com https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47
    MitigationPatchVendor Advisory

Remediation

  • github.com https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb
    Patch
  • github.com https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e
    Patch
  • github.com https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47
    MitigationPatchVendor Advisory