---
id: CVE-2026-8767
title: A vulnerability has been found in vercel ai up to 3.0.97
summary: >-
  A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the
  function run of the file .github/workflows/prettier-on-automerge.yml of the
  component PR Branch Name Interpolation. The manipulation leads to os command
  injection.…
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-77
  - CWE-78
vendor: vercel
product: ai
affected:
  - ai <= 3.0.97
published: '2026-05-17'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8767'
references:
  - url: 'https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/811402'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/364392'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/364392/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.0699
epssPercentile: 0.94054
ingestedAt: '2026-10-14T20:53:12.293Z'
---

## Overview

A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `ai <= 3.0.97`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.