4.8

CVE-2026-71318: nuxt Improper Input Validation

CVSS: 4.8v3.1MediumDeferred
AliasesGHSA-48hr-524c-v5w3
Published 05-08-2026Last modified 06-08-2026
Open JSON

Vulnerability summary

CVE-2026-71318 is a medium (CVSS 4.8) Improper Input Validation vulnerability in nuxt. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.1% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-08-2026
    PublishedVulnerability first disclosed.
  2. 06-08-2026
    Last modifiedVulnerability information updated.

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 attacker can supply a top-level `as` prop to the /__nuxt_island/ endpoint and drive dynamic component resolution through <component :is>, resolveDynamicComponent, or h(). This issue is fixed in 3.21.10 and 4.5.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

+0.11 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Npm1 product
  • nuxt≥ 4.0.0, < 4.5.1 | ≥ 3.1.0, < 3.21.10
Nuxt1 product
  • nuxt≥ 4.0.0, < 4.5.1 | ≥ 3.1.0, < 3.21.10

2 vendors · 2 products

References

4 links