CVE-2026-71314

EUVD-2026-53644
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitHub_MCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 59.97%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
nuxtnuxt
4.0.0 ≤
𝑥
< 4.5.1
CNA
nuxtnuxt
3.1.0 ≤
𝑥
< 3.21.10
CNA
Common Weakness Enumeration
References
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
https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6