{"id":"CVE-2026-71318","aliases":["GHSA-48hr-524c-v5w3"],"url":"https://o3.security/vulnerability/CVE-2026-71318","summary":"Nuxt: Unauthorized Component Instantiation via Server Island Props","details":"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.","published":"2026-08-05T21:21:30.509Z","modified":"2026-09-10T03:48:27.752561576Z","cvss":{"score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"nuxt","fixedVersion":"4.5.1"},{"ecosystem":"npm","name":"nuxt","fixedVersion":"3.21.10"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/nuxt/nuxt/releases/tag/v3.21.10"},{"type":"WEB","url":"https://github.com/nuxt/nuxt/releases/tag/v4.5.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71318.json"},{"type":"ADVISORY","url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-48hr-524c-v5w3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71318"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:48:27.752561576Z"}}