StyleSmuggler - Magento / Adobe Commerce Vulnerability

StyleSmuggler is a zero-day Magento / Adobe Commerce remote code execution (RCE) vulnerability reported by Sansec on September 05, 2026. See https://sansec.io/research/stylesmuggler for more information.

How To Fix StyleSmuggler Magento Vulnerability

If you are a developer, check the information in these resources:
Composer patch by Graycore: https://github.com/graycoreio/magento2-style-smuggler-patch
Explanation and mitigation by Disrex: https://github.com/disrex-group/stylesmuggler-mitigation

If you are a Magento store owner or merchant who needs help fixing the StyleSmuggler Magento RCE vulnerability, feel free to contact me using the form below & I will get back to you as soon as possible.