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CVE-2026-53721

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

Published: Jun 12, 2026Updated: Jun 15, 2026 Sources: CVE List NVDCWE-178
NVD MITRE
8.2CVSSHIGH
EPSS Score
0.3%
Top 79.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-178CWE-863

Affected Products

nuxtnuxt
Library
OSS Libraries / web-framework
nuxtoss-projectOSS Librariesaka nuxt.js, nuxt/framework

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Jun 12, 2026
Last Updated
Jun 15, 2026

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