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CVE-2026-114131 Details

Description

Nuxt is an open-source web development framework for Vue.js. From 3.11.0 until 3.21.4 and 4.4.4, Nuxt compares route-rule keys with the raw request path while route resolution decodes dynamic and catch-all parameters, allowing a percent-encoded segment to resolve to a protected page without matching the routeRules entry intended for that path. As a result, appMiddleware can be skipped during server rendering and an unauthenticated requester can receive the gated page and its SSR data. The same mismatch affects app-manifest rules including redirect, appLayout, ssr, prerender, and payload flags derived from cache, isr, and swr. This vulnerability is fixed in 4.4.4 and 3.21.4.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/nuxt/nuxt/commit/81f86ac5ee82bb1a9b887e59f3bc84624d711497	[email protected]
https://github.com/nuxt/nuxt/commit/9123ed850c468a7424a868c20d0d49a5507d32e5	[email protected]
https://github.com/nuxt/nuxt/releases/tag/v3.21.11	[email protected]
https://github.com/nuxt/nuxt/releases/tag/v4.5.2	[email protected]
https://github.com/nuxt/nuxt/security/advisories/GHSA-6gq8-jgmh-3ffp	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-436	Interpretation Conflict	[email protected]
CWE-863	Incorrect Authorization	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 30, 2026	CVE Modified	CISA-ADP
Oct 21, 2026	New CVE Received	[email protected]