Nuxt: Server-Side Remote Code Execution via Runtime Template Injection in Nuxt Server Island Props
Priority LOW 38CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.
Summary
Nuxt is an open-source web development framework for Vue.js. From 3.4.0 until 3.21.10 and 4.5.1, an attacker can inject a template key through /__nuxt_island/ props into a dynamic component when `vue.runtimeCompiler: true` is enabled, causing template execution in the Nitro process. 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 0.0071 53rd 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
- Total
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; 3.4.0 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-9473-5f9j-94wq |
| — | nuxt (npm) | 3.4.0 to before 3.21.10 | 3.21.10 | Patch available | GHSA-9473-5f9j-94wq |
- nuxt Vendornuxt Affected 4.0.0 to before 4.5.1; 3.4.0 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-9473-5f9j-94wq
- nuxt (npm) Vendor— Affected 3.4.0 to before 3.21.10 Fixed in 3.21.10 Patch available GHSA-9473-5f9j-94wq
Remediation
- Fix · CNA nuxt (nuxt) Fixed in 4.5.1, 3.21.10
- Fix · GHSA-9473-5f9j-94wq nuxt (npm) Fixed in 4.5.1 Advisory →
- Fix · GHSA-9473-5f9j-94wq nuxt (npm) Fixed in 3.21.10 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-71320
- 2026-10-03 Alias added: GHSA-9473-5f9j-94wq
References
Other 6
- https://github.com/nuxt/nuxt/security/advisories/GHSA-9473-5f9j-94wq
- https://github.com/nuxt/nuxt/commit/5b60017f7f1d5e9384cadf1d6c580b99d583c418
- https://github.com/nuxt/nuxt/commit/ee6c846338f4eb75801815dda86df1f494725859
- https://github.com/nuxt/nuxt/releases/tag/v3.21.10
- https://github.com/nuxt/nuxt/releases/tag/v4.5.1
- https://github.com/nuxt/nuxt
More nuxt vulnerabilities
- 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
Sources
- CVE-2026-71320 · CVE Program
- CVE-2026-71320 · NVD
- FIRST EPSS
- GHSA-9473-5f9j-94wq · GitHub Advisory Database · CC BY 4.0
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