OS Command Injection Vulnerability in Vercel AI Product
CVE-2026-8767

2.3LOW

Key Information:

Vendor

Vercel
Status
Ai
Vendor
CVE Published:
17 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8767?

A vulnerability has been discovered in Vercel AI versions up to 3.0.97, specifically affecting the function run found in the .github/workflows/prettier-on-automerge.yml file. This flaw allows an attacker to manipulate the system through os command injection. The vulnerability can potentially be exploited remotely, although executing such an attack involves a high level of complexity. Despite early notifications to the vendor, Vercel has not responded or issued a remediation, leaving systems vulnerable to the disclosed exploit.

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-2026-8767 - Proof of Concept

References

https://vuldb.com/vuln/364392
vdb-entrytechnical-description
https://vuldb.com/vuln/364392/cti
signaturepermissions-required
https://vuldb.com/submit/811402
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-d (VulDB User)
VulDB CNA Team
.