{"id":"CVE-2026-71314","aliases":["GHSA-hxcr-hm88-mpq6"],"url":"https://o3.security/vulnerability/CVE-2026-71314","summary":"Nuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island rendering","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 unauthenticated attacker can use a server island v-for prop, including vforToArray and , to trigger unbounded SSR memory allocation until MAX_VFOR_LENGTH = 100000 and crash the Nuxt process. This issue is fixed in 3.21.10 and 4.5.1.","published":"2026-08-05T20:58:50.965Z","modified":"2026-09-10T03:48:27.757091357Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.004,"percentile":0.33895,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"nuxt","fixedVersion":"4.5.1"},{"ecosystem":"npm","name":"nuxt","fixedVersion":"3.21.10"}],"fix":{"url":"https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e","label":"nuxt/nuxt@4e35ae9"},"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-2026-71314.json"},{"type":"ADVISORY","url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71314"},{"type":"FIX","url":"https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e"},{"type":"FIX","url":"https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:48:27.757091357Z"}}