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Vulnerability record · CVE-2026-53721 · published 12 June 2026

CVE-2026-53721: Nuxt incorrect authorization vulnerability

Nuxt · Nuxt

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.

8.8 CVSS 4.0 High EPSS 0.51% · top 58.7% CWE-178 · CWE-178CWE-863 · Incorrect authorization
8.8CVSS 4.0 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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: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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 MitigationPatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-53721), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.