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Vulnerability · Published May 17, 2026 · Assigned by VulDB

CVE-2026-8768vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery

High 7.3

In plain English

A high-severity server-side request forgery in ai from vercel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.5%top 60.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
vercel ai 3.0.03.0.13.0.23.0.33.0.43.0.53.0.63.0.7

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References