CVE-2025-59427: Information Disclosure

Description

The Cloudflare Vite plugin enables a full-featured integration between Vite and the Workers runtime. When utilising the Cloudflare Vite plugin in its default configuration, all files are exposed by the local dev server, including files in the root directory that contain secret information such as .env and .dev.vars. This vulnerability is fixed in 1.6.0.

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Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

https://github.com/cloudflare/workers-sdk/commit/0e500720bf70016fa4ea21fc8959c4bd764ebc38 https://github.com/cloudflare/workers-sdk/discussions/3455#discussioncomment-6165773 https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-4pfg-2mw5-f8jx https://hackerone.com/reports/3117837

Frequently Asked Questions

What is CVE-2025-59427? +

The Cloudflare Vite plugin enables a full-featured integration between Vite and the Workers runtime. When utilising the Cloudflare Vite plugin in its default configuration, all files are exposed by the local dev server, including files in the root directory that contain secret information such as .env and .dev.vars. This vulnerability is fixed in 1.6.0.

How do I check if I'm vulnerable to CVE-2025-59427? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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