CVE-2026-53721

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 v3 8.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb	Patch
https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e	Patch
https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47	Mitigation Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nuxt:nuxt::::::::
	cpe:2.3:a:nuxt:nuxt::::::::

History

15 Jun 2026, 02:11

Type	Values Removed	Values Added
CPE		cpe:2.3:a:nuxt:nuxt::::::::
References	~~() https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb -~~	() https://github.com/nuxt/nuxt/commit/07e39cd6f26e407b4192b7865bd17bc44536b9bb - Patch
References	~~() https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e -~~	() https://github.com/nuxt/nuxt/commit/3f3e3fa7b5eec8e495f4f8ce0a54813a8875a11e - Patch
References	~~() https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47 -~~	() https://github.com/nuxt/nuxt/security/advisories/GHSA-mm7m-92g8-7m47 - Mitigation, Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.2
First Time		Nuxt nuxt Nuxt

12 Jun 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-12 15:16

Updated : 2026-06-15 02:11

NVD link : CVE-2026-53721

Mitre link : CVE-2026-53721

CVE.ORG link : CVE-2026-53721

JSON object : View

Products Affected

nuxt

nuxt

CWE

CWE-178

Improper Handling of Case Sensitivity

CWE-863

Incorrect Authorization

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