Nuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island rendering
Priority MEDIUM 41CWE-1284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.
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 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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00908 60th 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
- Yes
- 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-hxcr-hm88-mpq6 |
| — | nuxt (npm) | 3.1.0 to before 3.21.10 | 3.21.10 | Patch available | GHSA-hxcr-hm88-mpq6 |
- 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-hxcr-hm88-mpq6
- nuxt (npm) Vendor— Affected 3.1.0 to before 3.21.10 Fixed in 3.21.10 Patch available GHSA-hxcr-hm88-mpq6
Remediation
- Fix · CNA nuxt (nuxt) Fixed in 4.5.1, 3.21.10
- Fix · GHSA-hxcr-hm88-mpq6 nuxt (npm) Fixed in 4.5.1 Advisory →
- Fix · GHSA-hxcr-hm88-mpq6 nuxt (npm) Fixed in 3.21.10 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-71314
- 2026-10-03 Alias added: GHSA-hxcr-hm88-mpq6
- 2026-10-11 EPSS moved to the 50th–90th percentile
References
Other 6
- https://github.com/nuxt/nuxt/security/advisories/GHSA-hxcr-hm88-mpq6
- https://github.com/nuxt/nuxt/commit/4e35ae9babd94be53246e31200232d48438bb34e
- https://github.com/nuxt/nuxt/commit/668cdfdfda41849ed11c1ee5e2067a11fc103b22
- 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-2026-71314 · CVE Program
- CVE-2026-71314 · NVD
- FIRST EPSS
- GHSA-hxcr-hm88-mpq6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences