TI-2026-49976 Aliases CVE-2026-71318 GHSA-48hr-524c-v5w3

Nuxt: Unauthorized Component Instantiation via Server Island Props

LOW 22CWE-20Published 2026-08-05 · Updated 2026-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00315 24th percentileScored 2026-11-07

Fix Fixed nuxt (nuxt): 4.5.1, 3.21.10nuxt (npm): 4.5.1, 3.21.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
nuxt	nuxt	4.0.0 to before 4.5.1; 3.1.0 to before 3.21.10	4.5.1, 3.21.10	Patch available	CNA
—	nuxt (npm)	4.0.0 to before 4.5.1	4.5.1	Patch available	GHSA-48hr-524c-v5w3
—	nuxt (npm)	3.1.0 to before 3.21.10	3.21.10	Patch available	GHSA-48hr-524c-v5w3

nuxt Vendornuxt Affected 4.0.0 to before 4.5.1; 3.1.0 to before 3.21.10 Fixed in 4.5.1, 3.21.10 Patch available CNA
nuxt (npm) Vendor— Affected 4.0.0 to before 4.5.1 Fixed in 4.5.1 Patch available GHSA-48hr-524c-v5w3
nuxt (npm) Vendor— Affected 3.1.0 to before 3.21.10 Fixed in 3.21.10 Patch available GHSA-48hr-524c-v5w3

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:nuxt:nuxt::::::::	—	—	nuxt

cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:*:*:* Versions — — ·nuxt

Remediation

Fix · CNA nuxt (nuxt) Fixed in 4.5.1, 3.21.10
Fix · GHSA-48hr-524c-v5w3 nuxt (npm) Fixed in 4.5.1 Advisory →
Fix · GHSA-48hr-524c-v5w3 nuxt (npm) Fixed in 3.21.10 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-71318
2026-10-03 Alias added: GHSA-48hr-524c-v5w3

References

Other 4

TI-2023-03020 Code Injection in nuxt/nuxt CVSS 3.1CRITICAL 9.8
TI-2024-28339 Server-Side Request Forgery (SSRF) in nuxt-icon CVSS 3.1HIGH 8.6
TI-2024-22685 Remote code execution via the browser when running the test locally in nuxt CVSS 3.1HIGH 8.8
TI-2026-26689 Nuxt OG Image vulnerable to DoS via image generation CVSS 4.0MEDIUM 6.9
TI-2022-04037 Cross-site Scripting (XSS) - DOM in nuxt/framework CVSS 3.1MEDIUM 6.1
TI-2022-04036 Cross-site Scripting (XSS) - Reflected in nuxt/framework CVSS 3.1MEDIUM 6.1

See all 44 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences