CVE-2025-62522
CVE-2025-62522 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.0. 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-22.
Key facts
- Severity: Medium (CVSS 4.0 base score 6.0)
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-35099
- Weakness: CWE-22
- Published:
- Last modified:
Description
Vite is a frontend tooling framework for JavaScript. In versions from 2.9.18 to before 3.0.0, 3.2.9 to before 4.0.0, 4.5.3 to before 5.0.0, 5.2.6 to before 5.4.21, 6.0.0 to before 6.4.1, 7.0.0 to before 7.0.8, and 7.1.0 to before 7.1.11, files denied by server.fs.deny were sent if the URL ended with \ when the dev server is running on Windows. Only apps explicitly exposing the Vite dev server to the network and running the dev server on Windows were affected. This issue has been patched in versions 5.4.21, 6.4.1, 7.0.8, and 7.1.11.
Frequently asked questions
- What is CVE-2025-62522?
- Vite is a frontend tooling framework for JavaScript. In versions from 2.9.18 to before 3.0.0, 3.2.9 to before 4.0.0, 4.5.3 to before 5.0.0, 5.2.6 to before 5.4.21, 6.0.0 to before 6.4.1, 7.0.0 to before 7.0.8, and 7.1.0 to before 7.1.11, files denied by server.fs.deny were sent if the URL ended with \ when the dev server is running on Windows. Only apps explicitly exposing the Vite dev server to the network and running the dev server on Windows were affected. This issue has been patched in versions 5.4.21, 6.4.1, 7.0.8, and 7.1.11.
- How severe is CVE-2025-62522?
- CVE-2025-62522 has a CVSS 4.0 base score of 6.0, rated medium severity.
- Is CVE-2025-62522 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-62522?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-62522 have an EU (EUVD) identifier?
- Yes. CVE-2025-62522 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35099.
- When was CVE-2025-62522 published?
- CVE-2025-62522 was published on 2025-10-20 and last updated on 2026-06-17.
References
- https://github.com/vitejs/vite/commit/f479cc57c425ed41ceb434fecebd63931b1ed4ed
- https://github.com/vitejs/vite/security/advisories/GHSA-93m4-6634-74q7
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