AI agent vulnerability · Vercel AI SDK
CVE-2025-48985: Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files
lowCVSS 3.1 3.7GHSA-rwvc-j5jr-mgvh
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.
Published Nov 7, 2025 · Updated Dec 2, 2025
Affected packages
ai
- Ecosystem
- npm
- Affected
- < 5.0.52
- Fixed in
- 5.0.52
- Check
npm ls ai
ai
- Ecosystem
- npm
- Affected
- >= 5.1.0-beta.0, < 5.1.0-beta.9
- Fixed in
- 5.1.0-beta.9
- Check
npm ls ai
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
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.
References
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology