Description
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
References (2)
Core 2
Scores
CVSS v3
3.7
EPSS
0.0008
EPSS Percentile
22.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (3)
npm/ai
0 - 5.0.52npm
vercel/ai
5.1.0 beta0 (9 CPE variants)
vercel/ai
< 5.0.52
Published
Nov 07, 2025
Tracked Since
Feb 18, 2026