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EUVD-2026-325659

2026-10-05T14:46:29.909759+00:00

EUVD-2026-325659

fkie_cve-2026-41249

2026-10-05T14:46:29.909795+00:00

CoreShop is a Pimcore enhanced eCommerce solution. In versions 5.0.1 through 5.1.0-beta.1,, the GitHub Actions workflow (`.github/workflows/static.yml`) uses the `pull_request_target` trigger but dangerously checks out the unverified code from the pull request head (`ref: ${{ github.event.pull_request.head.ref }}`). Subsequently, it executes a script (`bin/console`) from this untrusted checkout. This allows any external attacker to achieve Remote Code Execution (RCE) on the GitHub Actions runner simply by submitting a malicious Pull Request. Also known as a "Pwn Request" vulnerability. As of time of publication, `pull_request_target` is still in the file.

GHSA-q58j-g3f4-h26h — CoreShop Vulnerable to Remote Code Execution (RCE) via Insecure `pull_request_target` Configuration

2026-10-05T14:46:29.909831+00:00

Affected: Packagist: coreshop/core-shop

### Summary

The GitHub Actions workflow (`.github/workflows/static.yml`) uses the `pull_request_target` trigger but dangerously checks out the unverified code from the pull request head (`ref: ${{ github.event.pull_request.head.ref }}`). Subsequently, it executes a script (`bin/console`) from this untrusted checkout. This allows any external attacker to achieve Remote Code Execution (RCE) on the GitHub Actions runner simply by submitting a malicious Pull Request. Also known as a "Pwn Request" vulnerability.

**Steps to Reproduce:** 1. Fork the target repository. 2. In the forked repository, modify a file that satisfies the `paths` condition (e.g., `src/dummy.php` or `composer.json`) to trigger the workflow. 3. Modify the `bin/console` file (which is executed in the workflow steps) with the following malicious payload: ```bash #!/bin/bash echo "=== PWNED ===" echo "whoami:" whoami ``` 4. Commit the changes and open a Pull Request against the `5.0` or `next` branch of the base repository. 5. The `Static Tests` workflow will trigger automatically. Navigate to the Actions tab and inspect the logs for the `Validate YAML` (or any step executing `bin/console`). 6. You will see the output of `whoami` (typically `runner`), proving that the arbitrary code was successfully executed in the runner's context.

**Impact:** Because `pul…