{"cve":"CVE-2026-71318","nvd":{"published":"2026-08-05T22:17:08.083","modified":"2026-09-08T20:51:43.490","status":"Deferred","description":"Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, an attacker can supply a top-level `as` prop to the /__nuxt_island/ endpoint and drive dynamic component resolution through <component :is>, resolveDynamicComponent, or h(). This issue is fixed in 3.21.10 and 4.5.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","score":4.8},"cwes":["CWE-20"],"references":["https://github.com/nuxt/nuxt/releases/tag/v3.21.10","https://github.com/nuxt/nuxt/releases/tag/v4.5.1","https://github.com/nuxt/nuxt/security/advisories/GHSA-48hr-524c-v5w3"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:47:10.050265369+00:00"},"epss":{"cve":"CVE-2026-71318","score":0.00315,"percentile":0.24469,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-48hr-524c-v5w3","url":"https://osv.dev/vulnerability/GHSA-48hr-524c-v5w3","summary":"Nuxt: Unauthorized Component Instantiation via Server Island Props","modified":"2026-08-05T21:41:00.889538Z","packages":[{"ecosystem":"npm","name":"nuxt","purl":"pkg:npm/nuxt","ranges":[">=4.0.0 <4.5.1"],"fixed":["4.5.1"]},{"ecosystem":"npm","name":"nuxt","purl":"pkg:npm/nuxt","ranges":[">=3.1.0 <3.21.10"],"fixed":["3.21.10"]}]}],"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."]}