Arbitrary File Upload Affecting openmage/magento-lts package, versions <20.17.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-OPENMAGEMAGENTOLTS-16318362
- published28 Apr 2026
- disclosed20 Apr 2026
- creditUnknown
Introduced: 20 Apr 2026
CVE-2026-40488 (opens in a new tab)How to fix?
Upgrade openmage/magento-lts to version 20.17.0 or higher.
Overview
openmage/magento-lts is a This repository is the home of an unofficial community-driven project.
Affected versions of this package are vulnerable to Arbitrary File Upload due to an incomplete blocklist in the file upload process. An attacker can execute arbitrary code on the server by uploading files with alternative PHP-executable extensions to the publicly accessible media/custom_options/quote/ directory. This is only exploitable if the directory is not explicitly denied script execution.