CVE-2026-71314
HIGHNuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island rendering
Title source: cnaDescription
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.
References (5)
Core 5
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/releases/tag/v3.21.10
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/releases/tag/v4.5.1
Scores
CVSS v3
7.5
EPSS
0.0040
EPSS Percentile
32.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1284
CWE-400
CWE-770
CWE-789
Status
published
Products (4)
npm/nuxt
3.1.0 - 3.21.10npm
npm/nuxt
4.0.0 - 4.5.1npm
nuxt/nuxt
>= 3.1.0, < 3.21.10
nuxt/nuxt
>= 4.0.0, < 4.5.1
Published
Aug 05, 2026
Tracked Since
Aug 06, 2026