Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- 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/security/advisories/GHSA-9473-5f9j-94wq
FAQ
What is CVE-2026-71320?
CVE-2026-71320 is a vulnerability with a CVSS score of 8.1 (HIGH). 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....
How severe is CVE-2026-71320?
CVE-2026-71320 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-71320?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.