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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

PUBLISHED Reserved 2025-05-29 | Published 2025-11-07 | Updated 2025-11-07 | Assigner hackerone




LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Product status

5.0.51 (semver)
affected

6.0.0-beta.* (semver) before 6.0.0-beta.*
unaffected

5.1.0-beta.8 (semver)
affected

5.1.0-beta.9 (semver) before 5.1.0-beta.9
unaffected

5.0.52 (semver) before 5.0.52
unaffected

References

github.com/...ommit/930399bb9839a8baf3d349614106d78268775eed

vercel.com/...e-2025-48985-input-validation-bypass-on-ai-sdk

cve.org (CVE-2025-48985)

nvd.nist.gov (CVE-2025-48985)

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