{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114131", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-20T21:53:58.473Z", "datePublished": "2026-10-21T17:41:24.016Z", "dateUpdated": "2026-10-21T17:41:24.016Z"}, "containers": {"cna": {"title": "Nuxt: Route rules are matched against the raw request path, so a percent-encoded segment can bypass `appMiddleware` on dynamic and catch-all routes", "problemTypes": [{"descriptions": [{"cweId": "CWE-436", "lang": "en", "description": "CWE-436: Interpretation Conflict", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6gq8-jgmh-3ffp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6gq8-jgmh-3ffp"}, {"name": "https://github.com/nuxt/nuxt/commit/81f86ac5ee82bb1a9b887e59f3bc84624d711497", "tags": ["x_refsource_MISC"], "url": "https://github.com/nuxt/nuxt/commit/81f86ac5ee82bb1a9b887e59f3bc84624d711497"}, {"name": "https://github.com/nuxt/nuxt/commit/9123ed850c468a7424a868c20d0d49a5507d32e5", "tags": ["x_refsource_MISC"], "url": "https://github.com/nuxt/nuxt/commit/9123ed850c468a7424a868c20d0d49a5507d32e5"}, {"name": "https://github.com/nuxt/nuxt/releases/tag/v3.21.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/nuxt/nuxt/releases/tag/v3.21.11"}, {"name": "https://github.com/nuxt/nuxt/releases/tag/v4.5.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/nuxt/nuxt/releases/tag/v4.5.2"}], "affected": [{"vendor": "nuxt", "product": "nuxt", "versions": [{"version": ">= 4.0.0, < 4.4.4", "status": "affected"}, {"version": ">= 3.11.0, < 3.21.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-21T17:41:24.016Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-6gq8-jgmh-3ffp", "discovery": "UNKNOWN"}}}}

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