CVE-2025-66478 in Next.js

Summary

by MITRE • 12/03/2025

This CVE is a duplicate of CVE-2025-55182.

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• Responsible: GitHub M
• Reservation: 12/02/2025
• Disclosure: 12/03/2025
• Moderation: revoked
• Entry: VDB-334240
• CPE: ready
• CWE: CWE-502 (confirmed)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Hostingprovider, Insurance, ...
• Actors: 5 (confirmed)
• Campaigns: 2 (confirmed)
• IOC: 126 (confirmed)

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-66478
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-66478
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-66478/