What is CVE-2025-48985?

CVE-2025-48985 is a low-severity vulnerability in Vercel Ai, classified under Improper Input Validation. CVSS score: 3.7/10. Published 2025-11-07.

How severe is CVE-2025-48985?

Low severity. CVSS v3 base score is 3.7 out of 10.

Improper input validation in Vercel Ai

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…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Vercel Ai — versions 5.1.0
Vercel Ai Sdk — versions 5.0.51, 6.0.0-beta.*, 5.1.0-beta.8

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support@hackerone.com (Patch)
support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-48985?: CVE-2025-48985 is a low-severity vulnerability in Vercel Ai, classified under Improper Input Validation. CVSS score: 3.7/10. Published 2025-11-07.
How severe is CVE-2025-48985?: Low severity. CVSS v3 base score is 3.7 out of 10.