7.5
HIGH CVSS 2.0
CVE-2026-8768
vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery
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.

INFO

Published Date :

May 17, 2026, 11:17 p.m.

Last Modified :

May 17, 2026, 11:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-8768 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Update the affected component to a version that addresses the server-side request forgery vulnerability.
  • Update the provider-utils component to a secure version.
  • Review and validate all external URL inputs.
  • Implement strict URL validation and allowlisting.
  • Apply necessary security patches promptly.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-8768 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-8768 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8768 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-8768 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 17, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-918
    Added Reference https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71
    Added Reference https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f
    Added Reference https://vuldb.com/submit/811404
    Added Reference https://vuldb.com/submit/811405
    Added Reference https://vuldb.com/vuln/364393
    Added Reference https://vuldb.com/vuln/364393/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.