CVE-2025-48985

Published Nov 7, 2025 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Description
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-rwvc-j5jr-mgvh Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files
History
Type Values Removed Values Added
First Time appeared Vercel ai
CPEs cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta0:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta1:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta2:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta3:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta4:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta5:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta6:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta7:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta8:*:*:*:*:*:*
Vendors & Products Vercel ai
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Vercel
Vercel ai Sdk
Vercel vercel
Vendors & Products Vercel
Vercel ai Sdk
Vercel vercel
Type Values Removed Values Added
Description 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
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Dec 1, 2025, 8:12 PM
Reserved
May 29, 2025, 3:00 PM
Status
Analyzed
Published
Nov 7, 2025, 1:15 AM
Modified
Oct 7, 2026, 9:10 PM