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CVE-2026-67308 — Wazuh workflows before 44bf114 contain a shell injection vulnerability in GitHub Actions…

Key facts

CVE-2026-67308 is a Critical (10.0) vulnerability: Wazuh workflows before 44bf114 contain a shell injection vulnerability in GitHub Actions…. This entry ships a detection-only PoC and a Docker test lab.

CVE CVE-2026-67308
Severity Critical (10.0)
Detection / prevention —
PoC poc.py
Source 2026/CVE-2026-67308/

Details

English | 한국어

Description

Wazuh workflows before 44bf114 contain a shell injection vulnerability in GitHub Actions that allows attackers to execute arbitrary commands by submitting pull requests with crafted VERSION.json files. Attackers can inject shell metacharacters into environment variables that are directly interpolated into run steps, enabling command execution and exfiltration of secrets including GITHUB_TOKEN and AWS credentials on self-hosted runners.

Vulnerability Details

Property Value
CVE ID CVE-2026-67308
Type RCE
CVSS Score 10.0

Proof of Concept

Download

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-67308/poc.py

Usage

# Run PoC against target
python3 poc.py --target <TARGET_URL>

# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>

⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.

Test Lab

This repository includes a Docker-based test environment with both vulnerable and patched applications.

Quick Start

# Clone and navigate to CVE directory
cd CVE-2026-67308

# Start both applications
docker-compose up -d

# Run tests
./run-tests.sh    # Linux/Mac
./run-tests.ps1   # Windows PowerShell

Application Endpoints

Application URL Status
Vulnerable App http://localhost:8080 Shows vulnerability
Patched App http://localhost:8081 Demonstrates fix

Directory Structure

├── README.md           # English documentation
├── README_KO.md        # Korean documentation
├── poc.py              # PoC detection script
├── docker-compose.yml  # Container orchestration
├── run-tests.sh        # Linux/Mac test runner
├── run-tests.ps1       # Windows test runner
├── vulnerable-app/     # Vulnerable version
│   ├── app.py
│   ├── Dockerfile
│   └── requirements.txt
└── patched-app/        # Fixed version
    ├── app.py
    ├── Dockerfile
    └── requirements.txt

References

  • https://github.com/wazuh/wazuh/security/advisories/GHSA-95w2-gpvr-q4jh
  • https://www.vulncheck.com/advisories/wazuh-github-actions-shell-injection-via-fork-pull-request

Generated by PoC Generator on 2026-08-02T04:01:08.86657928

Frequently asked questions

What is CVE-2026-67308?

CVE-2026-67308 is a Critical (10.0) vulnerability: Wazuh workflows before 44bf114 contain a shell injection vulnerability in GitHub Actions…. This entry ships a detection-only PoC and a Docker test lab.

How do I detect CVE-2026-67308?

Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.

How do I block or mitigate CVE-2026-67308?

Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.


For authorized security testing and research only. See the full source and NVD record.