CVE-2025-48985

MEDIUM EPSS 14.3%
Published Nov 7, 20257mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Nov 7, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
14.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 10

VendorProductVersionRange
vercelai* <5.0.52
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any
vercelai5.1.0any

References 2

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

Remediation

  • github.com https://github.com/vercel/ai/commit/930399bb9839a8baf3d349614106d78268775eed
    Patch