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Tool Directory

CVE-2026-41249

HighPublished

CoreShop Vulnerable to Remote Code Execution (RCE) via Insecure pull_request_target Configuration

Published: Jun 4, 2026
Updated: Jun 8, 2026
Assigning CNA: GitHub_M
Evidence observed: Sep 7, 2026

Primary CVSS

8.2/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS probability estimate

0.4%

Low · next 30 days

Percentile: 37.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

gha-lab-5bce203f66Research
Security-research lab: reproduction of CVE-2026-41249 (GHSA-q58j-g3f4-h26h) — pull_request_target pwn request in .github/workflows/static.yml, snapshot of coreshop/CoreShop@cc1e3f54

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