CVE-2026-8768

A vulnerability was found in vercel ai up to 3.0.97. The affected element is the function validateDownloadUrl of the file packages/provider-utils/src/download-blob.ts of the component provider-utils. The manipulation results in server-side request forgery. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0

5.5CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-25)

CWE

CWE-918

Published

2026-05-17

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• vercel:ai

References

• https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71
• https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f
• https://vuldb.com/submit/811404
• https://vuldb.com/submit/811405
• https://vuldb.com/vuln/364393

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