CVE-2026-71314

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

State
Published
Severity
7.5 High
Published
Aug 5, 2026
Updated
Aug 6, 2026
Reserved
Aug 5, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HGitHub_M

Weaknesses

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

Affected Products

ProductVersions
nuxtnuxt
  • >= 4.0.0, < 4.5.1Affected
  • >= 3.1.0, < 3.21.10Affected

References

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