CVE-2025-48985

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

Score

CVSS 3.1 5.3 Medium

Status

Analyzed - support@hackerone.com

Published

2025-11-07

Last modified

2026-10-07

Weaknesses

CWE-20

Affected products

• Ai (Vercel)
• Ai Sdk (Vercel)

References

• https://github.com/vercel/ai/commit/930399bb9839a8baf3d349614106d78268775eed
• https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk