{"id":"CVE-2026-71314","state":"PUBLISHED","title":"Nuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island rendering","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 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.","publishedAt":"2026-08-05T20:58:50.965Z","updatedAt":"2026-08-06T13:33:38.810Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["nuxt nuxt"],"affected":[{"vendor":"nuxt","product":"nuxt","versions":[{"version":">= 4.0.0, < 4.5.1","status":"affected"},{"version":">= 3.1.0, < 3.21.10","status":"affected"}]}],"references":["https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6","https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e","https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22","https://github.com/nuxt/nuxt/releases/tag/v3.21.10","https://github.com/nuxt/nuxt/releases/tag/v4.5.1"],"weaknesses":["CWE-400","CWE-770","CWE-789","CWE-1284"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71314.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71314","state":"PUBLISHED","datePublished":"2026-08-05T20:58:50.965Z","dateUpdated":"2026-08-06T13:33:38.810Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-05T18:14:42.064Z"},"containers":{"cna":{"title":"Nuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island rendering","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"nuxt","product":"nuxt","versions":[{"version":">= 4.0.0, < 4.5.1","status":"affected"},{"version":">= 3.1.0, < 3.21.10","status":"affected"}]}],"references":[{"url":"https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6","name":"https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e","name":"https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e","tags":["x_refsource_MISC"]},{"url":"https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22","name":"https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22","tags":["x_refsource_MISC"]},{"url":"https://github.com/nuxt/nuxt/releases/tag/v3.21.10","name":"https://github.com/nuxt/nuxt/releases/tag/v3.21.10","tags":["x_refsource_MISC"]},{"url":"https://github.com/nuxt/nuxt/releases/tag/v4.5.1","name":"https://github.com/nuxt/nuxt/releases/tag/v4.5.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-789","lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1284","lang":"en","description":"CWE-1284: Improper Validation of Specified Quantity in Input","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-05T20:58:50.965Z"},"source":{"advisory":"GHSA-hxcr-hm88-mpq6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T13:33:29.551115Z","id":"CVE-2026-71314","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T13:33:38.810Z"}}]}}}