CVE-2025-48985: Input Validation

Published Nov 7, 2025
·
Updated

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.

Affected Software

13 affected componentsFixes available
Vercel AI SDK
npm/ai>=5.1.0-beta.0<5.1.0-beta.9
5.1.0-beta.9
npm/ai<5.0.52
5.0.52
Vercel AI<5.0.52
Vercel AI=5.1.0-beta0
Vercel AI=5.1.0-beta1
Vercel AI=5.1.0-beta2
Vercel AI=5.1.0-beta3
Vercel AI=5.1.0-beta4
Vercel AI=5.1.0-beta5
Vercel AI=5.1.0-beta6
Vercel AI=5.1.0-beta7
Vercel AI=5.1.0-beta8

Remediation

Patch Available

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

Event History

Nov 7, 2025
CVE Published
via MITRE·12:43 AM
Data Sourced
via MITRE·12:43 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyWeaknessAffected Software
Advisory Published
via GitHub·03:30 AM
Data Sourced
via GitHub·03:30 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-48985?

CVE-2025-48985 is classified as a medium severity vulnerability due to its potential to allow filetype whitelists to be bypassed.

2

How do I fix CVE-2025-48985?

To fix CVE-2025-48985, upgrade to versions 5.0.52, 5.1.0-beta.9, or 6.0.0-beta of the Vercel AI SDK.

3

What impact does CVE-2025-48985 have?

CVE-2025-48985 could result in unauthorized file uploads that circumvent established filetype restrictions.

4

Who is affected by CVE-2025-48985?

All users of the Vercel AI SDK prior to versions 5.0.52, 5.1.0-beta.9, and 6.0.0-beta are affected by CVE-2025-48985.

5

Is CVE-2025-48985 already patched?

Yes, CVE-2025-48985 has been patched in the specified versions of the Vercel AI SDK.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203