Disclosure summary
A vulnerability in Vercel’s AI SDK has been fixed in versions 5.0.52, 5.1.0-beta.9, and 6.0.0-beta. This issue may have allowed users to bypass filetype whitelists when uploading files. All users are encouraged to upgrade. More details: https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk
Source-reported weakness categories
CWE-20
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-48985
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| vercel | ai | * {"versionEndExcluding":"5.0.52"} |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
| vercel | ai | 5.1.0 |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Patch
- vercel.com — Vendor Advisory
PUBLISHED 2025-11-06T20:15:36-05:00
MODIFIED 2026-10-07T17:10:00-04:00
INGESTED 2026-10-08T12:35:14-04:00