CVE-2025-59427

2.9 lowEPSS 0.4%

Low (2.9). EPSS 0.4% chance of exploitation in the next 30 days. Fixed in @cloudflare/vite-plugin 1.6.0.

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.

Severity

CVSS 4.0

2.9 low

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2025-09-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-4pfg-2mw5-f8jx	npm	@cloudflare/vite-plugin	<1.6.0	1.6.0

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

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