Nuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island rendering

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-71314
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-05 21:16:59 UTC
Updated2026-08-05 21:16:59 UTC
DescriptionNuxt 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-400 | CWE-770 | CWE-789 | CWE-1284 | CWE-400 CWE-400: Uncontrolled Resource Consumption | CWE-770 CWE-770: Allocation of Resources Without Limits or Throttling | CWE-789 CWE-789: Memory Allocation with Excessive Size Value | CWE-1284 CWE-1284: Improper Validation of Specified Quantity in Input

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nuxt Nuxt affected >= 4.0.0, < 4.5.1 Not specified
CNA Nuxt Nuxt affected >= 3.1.0, < 3.21.10 Not specified

References

ReferenceSourceLinkTags
github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22 [email protected] github.com
github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e [email protected] github.com
github.com/nuxt/nuxt/releases/tag/v4.5.1 [email protected] github.com
github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6 [email protected] github.com
github.com/nuxt/nuxt/releases/tag/v3.21.10 [email protected] github.com
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