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CVE-2025-48985

Good to know:

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Date: November 6, 2025

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

Severity Score

Related Resources (6)

https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk
https://nvd.nist.gov/vuln/detail/CVE-2025-48985
https://github.com/vercel/ai/issues/8881
https://github.com/vercel/ai
https://github.com/vercel/ai/commit/930399bb9839a8baf3d349614106d78268775eed
https://www.mend.io/vulnerability-database/CVE-2025-48985

Severity Score

Weakness Type (CWE)

Incorrect Calculation

CWE-682

Top Fix

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Upgrade Version

Upgrade to version ai - 5.0.52;ai - 5.1.0-beta.9;https://github.com/vercel/ai.git - ai@5.0.52

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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