PT-2025-45397 · Vercel · Vercel Ai Sdk

Published 2025-11-07 · Updated 2025-12-29 · CVE-2025-48985

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Vercel AI SDK versions 5.0.52, 5.1.0-beta.9, and 6.0.0-beta

Description A flaw exists in Vercel’s AI SDK that could allow users to bypass filetype whitelists during file uploads. This bypass could potentially lead to unauthorized file uploads.

Recommendations Upgrade to Vercel AI SDK version 5.0.52. Upgrade to Vercel AI SDK version 5.1.0-beta.9. Upgrade to Vercel AI SDK version 6.0.0-beta.

Fix

RCE

Weakness Enumeration

CWE-682

CWE-20

Related Identifiers

CVE-2025-48985

GHSA-RWVC-J5JR-MGVH

Affected Products

Vercel Ai Sdk

References · 15

• https://github.com/vercel/ai/commit/930399bb9839a8baf3d349614106d78268775eed · Patch
• https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-rwvc-j5jr-mgvh · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-48985 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-48985 · Security Note
• https://github.com/vercel/ai · Note
• https://github.com/vercel/ai/issues/8881 · Note
• https://twitter.com/CheckmarxZero/status/1988355555761528904 · Twitter Post
• https://t.me/CVEtracker/36733 · Telegram Post
• https://twitter.com/grok/status/2005593060067942613 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1ov498g/resumen_diario_de_vulnerabilidades_12112025 · Reddit Post
• https://t.me/cveNotify/142031 · Telegram Post
• https://reddit.com/r/VulnMatter/comments/1otcofi/resumen_diario_de_vulnerabilidades_10112025 · Reddit Post
• https://reddit.com/r/VulnMatter/comments/1ouaay3/resumen_diario_de_vulnerabilidades_11112025 · Reddit Post
• https://twitter.com/CVEnew/status/1986651579882393753 · Twitter Post