CVE-2018-3809: Information Exposure on Case Insensitive File Systems in serve
Summary
CVE-2018-3809: Information Exposure on Case Insensitive File Systems in serve. Affects serve versions < 7.0.0. Fixed in 7.0.0. How to fix ↓
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Background
The 'serve' package is an npm package used for serving static files over HTTP. It provides a simple command-line interface and can be used to quickly set up a local development server. The package is widely used in web development projects.
Vulnerability Detail
Versions of 'serve' before 7.0.0 are vulnerable to information exposure on case insensitive file systems. This vulnerability allows an attacker to bypass the ignore security control, potentially exposing sensitive information. However, this vulnerability only affects systems that have case insensitive file systems.
How To Fix
Latest published version: 14.2.6 as of 23 Oct 2026
npm install serve@14.2.6Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
7.0.0
This is the first release that contains the fix.
npm install serve@7.0.0Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The 'serve' package before version 7.0.0 is vulnerable to information exposure on case insensitive file systems. It is recommended to update to the latest version to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for serve →
FAQ
This vulnerability can potentially expose sensitive information to attackers on case insensitive file systems.
Versions before 7.0.0 are affected by this vulnerability.
Yes, the CVSS score for this vulnerability is 5.3.
There are no known exploits for this vulnerability at the moment.
You can find more information about this vulnerability in the GitHub Advisory Database.
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