BlockStrap RCE and PHP2Shell: Critical Magento Vulnerabilities

BlockStrap-RCE and PHP2Shell: Critical Magento Vulnerabilities

Executive Summary

  • BlockStrap-RCE: A report on the security flaw names affected Adobe Commerce versions and notes that Mage-OS up to and including 3.5.0 is affected. Mage-OS 3.6.0 contains the fix.
  • PHP2Shell: Two critical PHP vulnerabilities enable unauthenticated code execution under certain conditions. Magento store operators should check their PHP version and update it.
  • Peak Season: A Magento security checklist recommends reviewing patches, admin hardening, and monitoring before the code freeze.

Adobe Commerce

Magento 2 Security Checklist for Peak Season

20 October 2026

A practical checklist for patches, admin hardening, and monitoring. The article emphasizes that Adobe is increasingly releasing security fixes as isolated patches, so the patch level cannot be determined from the version number alone.

Mage-OS

BlockStrap Vulnerability: Which Magento Patches Are Affected

17 October 2026

The article classifies the RCE vulnerability for Adobe Commerce and Mage-OS. According to the report, Mage-OS versions up to 3.5.0 are affected. Mage-OS 3.6.0, released on 14 October, contains the fix.

Magento Open Source

PHP2Shell: Critical PHP Vulnerabilities with Possible RCE

21 October 2026

Sansec describes two critical PHP vulnerabilities (CVE-2026-109618 and CVE-2026-109619). Attacks require specific server conditions and do not work with every standard installation. Nevertheless, update PHP promptly. According to the current update, taking the store offline is not required.