Server-Side Request Forgery Vulnerability in Vercel AI by Vercel
CVE-2026-8768

6.9MEDIUM

Key Information:

Vendor

Vercel
Status
Ai
Vendor
CVE Published:
17 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8768?

A vulnerability has been identified in Vercel AI, affecting versions up to 3.0.97. This issue resides in the validateDownloadUrl function within the packages/provider-utils/src/download-blob.ts file. The vulnerability allows for server-side request forgery (SSRF), where an attacker can manipulate requests that the server makes to other services, potentially exposing sensitive information or allowing additional exploits. This attack can be executed remotely, making it critical for users to assess their environment and implement necessary security measures promptly.

Affected Version(s)

ai 3.0.0

ai 3.0.1

ai 3.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-8768 - Proof of Concept

References

https://vuldb.com/vuln/364393
vdb-entrytechnical-description
https://vuldb.com/vuln/364393/cti
signaturepermissions-required
https://vuldb.com/submit/811404
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-f (VulDB User)
VulDB CNA Team
.