{"id":"CVE-2026-71318","title":"Nuxt is an open-source web development framework for Vue.js","summary":"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>,…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-20"],"vendor":"nuxt","product":"nuxt","affected":["nuxt >= 4.0.0, < 4.5.1","nuxt >= 3.1.0, < 3.21.10"],"patched":["nuxt 4.5.1","nuxt 3.21.10"],"published":"2026-08-05","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:51:43.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-71318","references":[{"url":"https://github.com/nuxt/nuxt/releases/tag/v3.21.10","label":"security-advisories@github.com"},{"url":"https://github.com/nuxt/nuxt/releases/tag/v4.5.1","label":"security-advisories@github.com"},{"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-48hr-524c-v5w3","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-48hr-524c-v5w3"}],"tags":["nvd","ghsa","npm"],"epss":0.00315,"epssPercentile":0.21828,"aliases":["GHSA-48hr-524c-v5w3"],"ecosystem":"npm","ingestedAt":"2026-08-05T21:52:35.792Z","slug":"CVE-2026-71318","body":"## Overview\n\nNuxt 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-71318)\n\nAffected packages:\n\n- `nuxt >= 4.0.0, < 4.5.1`\n- `nuxt >= 3.1.0, < 3.21.10`\n\nPatched in:\n\n- `nuxt 4.5.1`\n- `nuxt 3.21.10`\n\nSource: https://github.com/advisories/GHSA-48hr-524c-v5w3","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}