{"cve":"CVE-2026-114131","nvd":{"published":"2026-10-21T18:17:25.957","modified":"2026-10-22T16:46:48.920","status":"Awaiting Analysis","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-436","CWE-863"],"references":["https://github.com/nuxt/nuxt/commit/81f86ac5ee82bb1a9b887e59f3bc84624d711497","https://github.com/nuxt/nuxt/commit/9123ed850c468a7424a868c20d0d49a5507d32e5","https://github.com/nuxt/nuxt/releases/tag/v3.21.11","https://github.com/nuxt/nuxt/releases/tag/v4.5.2","https://github.com/nuxt/nuxt/security/advisories/GHSA-6gq8-jgmh-3ffp"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:26.291718493+00:00"},"epss":{"cve":"CVE-2026-114131","score":0.00363,"percentile":0.29849,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-6gq8-jgmh-3ffp","url":"https://osv.dev/vulnerability/GHSA-6gq8-jgmh-3ffp","summary":"Nuxt: Route rules are matched against the raw request path, so a percent-encoded segment can bypass `appMiddleware` on dynamic and catch-all routes","modified":"2026-10-22T17:00:04.175927437Z","packages":[{"ecosystem":"npm","name":"nuxt","purl":"pkg:npm/nuxt","ranges":[">=4.0.0 <4.4.4"],"fixed":["4.4.4"]},{"ecosystem":"npm","name":"nuxt","purl":"pkg:npm/nuxt","ranges":[">=3.11.0 <3.21.4"],"fixed":["3.21.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}