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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
NVD MITRE
EPSS Score
0.2%
Top 85.7%
CISA KEV
Not in KEV
Exploits
3 Known
Remediation
Patch Available
Self-Check
Not available

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:LA:N
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
OSS Libraries
aiLibraryLibrary
OSS Libraries
npm
package-ecosystem
ai
OSS Libraries

Exploitability

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
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 →
News mentions
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