GHSA-RWVC-J5JR-MGVH

Vulnerability from github – Published: 2025-11-07 03:30 – Updated: 2025-12-02 01:27
VLAI
Summary
Vercel’s AI SDK's filetype whitelists can be bypassed when uploading files
Details

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.

Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.52"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "ai"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.1.0-beta.0"
            },
            {
              "fixed": "5.1.0-beta.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-48985"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-682"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-07T17:39:01Z",
    "nvd_published_at": "2025-11-07T01:15:36Z",
    "severity": "LOW"
  },
  "details": "A vulnerability in Vercel\u2019s 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.",
  "id": "GHSA-rwvc-j5jr-mgvh",
  "modified": "2025-12-02T01:27:15Z",
  "published": "2025-11-07T03:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-48985"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vercel/ai/issues/8881"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vercel/ai/commit/930399bb9839a8baf3d349614106d78268775eed"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/vercel/ai"
    },
    {
      "type": "WEB",
      "url": "https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Vercel\u2019s AI SDK\u0027s filetype whitelists can be bypassed when uploading files"
}



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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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