Incorrect Authorization Affecting @nuxt/nitro-server package, versions >=3.21.7 <3.21.10>=4.4.7 <4.5.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-NUXTNITROSERVER-18565126
- published6 Aug 2026
- disclosed5 Aug 2026
- creditThepigtails, sec-reex, David Carliez
Introduced: 5 Aug 2026
NewCVE-2026-71315 (opens in a new tab)How to fix?
Upgrade @nuxt/nitro-server to version 3.21.10, 4.5.1 or higher.
Overview
@nuxt/nitro-server is a Nitro server integration for Nuxt
Affected versions of this package are vulnerable to Incorrect Authorization in the route rule matching. An attacker can gain unauthorized access to protected pages and sensitive data by crafting requests to mixed-case paths that bypass authentication middleware.
Workaround
This vulnerability can be mitigated by ensuring all route rule keys and page file names are in lowercase, configuring router.options.sensitive to true for case-sensitive routing, or enforcing authentication checks server-side independently of route rules.