{"id":"CVE-2025-48985","title":"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","summary":"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.\r\n\r\nMore detail…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-20"],"vendor":"vercel","product":"ai","affected":["ai < 5.0.52","ai = 5.1.0"],"patched":["ai 5.0.52"],"published":"2025-11-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T21:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-48985","references":[{"url":"https://github.com/vercel/ai/commit/930399bb9839a8baf3d349614106d78268775eed","label":"support@hackerone.com"},{"url":"https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk","label":"support@hackerone.com"}],"tags":["nvd"],"epss":0.00265,"epssPercentile":0.16872,"ingestedAt":"2026-10-07T21:54:14.974Z","slug":"CVE-2025-48985","body":"## Overview\n\nA 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.\r\n\r\nMore details: https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk\n\n## Affected\n\n- `ai < 5.0.52`\n- `ai = 5.1.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ai 5.0.52`","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}