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...

Published: Nov 7, 2025Updated: Feb 4, 2026 Sources: CVE List NVD GHSACWE-20

3.7LOW

Description

Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-20

Affected Products

Vercel

commercial·US

AI SDKLibrary

aiLibraryLibrary

package-ecosystem

Exploitability

3 exploit sources identified

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://nvd.nist.gov/vuln/detail/CVE-2025-48985

nvd.nist.gov

https://github.com/vercel/ai/issues/8881

github.com

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

github.com

and 2 more references View all →

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