How severe is CVE-2025-59427?

CVE-2025-59427 has a CVSS 4.0 base score of 2.9, rated low severity.

Is CVE-2025-59427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-59427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-59427 have an EU (EUVD) identifier?

Yes. CVE-2025-59427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29441.

When was CVE-2025-59427 published?

CVE-2025-59427 was published on 2025-09-19 and last updated on 2026-06-17.

CVE-2025-59427

CVE-2025-59427 is a low-severity vulnerability with a CVSS 4.0 base score of 2.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Low (CVSS 4.0 base score 2.9)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29441
Weakness: CWE-200
Published: 2025-09-19
Last modified: 2026-06-17

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.

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 severe is CVE-2025-59427?: CVE-2025-59427 has a CVSS 4.0 base score of 2.9, rated low severity.
Is CVE-2025-59427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-59427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59427 have an EU (EUVD) identifier?: Yes. CVE-2025-59427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29441.
When was CVE-2025-59427 published?: CVE-2025-59427 was published on 2025-09-19 and last updated on 2026-06-17.

References

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