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archive/Patch now/AIR-2025-0370
closedclosed 7 Nov 2025Patch now2 Disclosed vulnerabilityAI

CVE-2025-48985: Vercel AI SDK filetype whitelist bypass vulnerability

Vercel AI SDK

A vulnerability in Vercel's AI SDK allowed users to bypass filetype whitelists when uploading files. A patch has been released in newer versions of the SDK.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
3.7
EPSS
<0.01 · top 79% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
7 Nov 2025
last update
7 Nov 2025
CVE ids
CVE-2025-48985other records

Timeline · 1

  1. 7 Nov 2025CVE-2025-48985: Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files

Sources · 1

Advisories and databases

  1. 2025-11-07
    CVE-2025-48985: Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files
    GitHub Advisory Database · github.com/advisories/GHSA-rwvc-j5jr-mgvh

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
file-uploadsdk
dates
happened 7 Nov 2025 · first reported 7 Nov 2025
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2025-48985: Vercel AI SDK filetype whitelist bypass vulnerability

https://gcdradar.vercel.app/incidents/cve-2025-48985-vercel-ai-sdk-filetype-whitelist-bypass-vulne · AIR-2025-0370 · closed 2025-11-07

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-11-07
- AI role: Attack on AI
- Products: Vercel AI SDK
- CVE ids: CVE-2025-48985
- CVSS: 3.7

## Summary

A vulnerability in Vercel's AI SDK allowed users to bypass filetype whitelists when uploading files. A patch has been released in newer versions of the SDK.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-11-07: CVE-2025-48985: Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files (https://github.com/advisories/GHSA-rwvc-j5jr-mgvh)

## Sources

- 2025-11-07 GitHub Advisory Database: CVE-2025-48985: Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files https://github.com/advisories/GHSA-rwvc-j5jr-mgvh

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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