7.5
HIGH CVSS 3.1
CVE-2026-71314
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.

INFO

Published Date :

Aug. 5, 2026, 9:16 p.m.

Last Modified :

Aug. 5, 2026, 9:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-71314 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Update Nuxt to a version that addresses unbounded SSR memory allocation.
  • Update Nuxt to version 3.21.10 or later.
  • Update Nuxt to version 4.5.1 or later.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-71314 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-71314 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-71314 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 05, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'nuxt', 'product': 'nuxt', 'versions': [{'status': 'affected', 'version': '>= 4.0.0, < 4.5.1'}, {'status': 'affected', 'version': '>= 3.1.0, < 3.21.10'}]}]
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
    Added CWE CWE-770
    Added CWE CWE-789
    Added CWE CWE-1284
    Added Reference https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e
    Added Reference https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22
    Added Reference https://github.com/nuxt/nuxt/releases/tag/v3.21.10
    Added Reference https://github.com/nuxt/nuxt/releases/tag/v4.5.1
    Added Reference https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.