CVE-2026-8767 — Vercel Ai Command Injection
CVE-2026-8767 — 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 comp
What This Means For You
- If your environment is affected by CWE-77, CWE-78, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-8767 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-8767 - Vercel AI PR Branch Name Interpolation Command Injection
title: CVE-2026-8767 - Vercel AI PR Branch Name Interpolation Command Injection
id: scw-2026-05-17-ai-1
status: experimental
level: critical
description: |
Detects the execution of the 'run' command within the '.github/workflows/prettier-on-automerge.yml' file, indicative of the CVE-2026-8767 vulnerability in Vercel AI's PR Branch Name Interpolation, which allows for OS command injection.
author: SCW Feed Engine (AI-generated)
date: 2026-05-17
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-8767/
tags:
- attack.execution
- attack.t1059.004
logsource:
category: process_creation
detection:
selection:
Image: '**/node**'
CommandLine|contains:
- 'run'
- '.github/workflows/prettier-on-automerge.yml'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-8767 | vulnerability | CVE-2026-8767 |
| CWE-77 | weakness | CWE-77 |
| CWE-78 | weakness | CWE-78 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 18, 2026 at 02:17 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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