SessionReaper: Magento's Critical CVE-2025-54236 Breakdown
SessionReaper (CVE-2025-54236) is one of the most dangerous vulnerabilities discovered in Adobe Commerce and Magento Open Source. This pre-authentication flaw enables attackers to hijack customer sessions and, in many real-world setups, escalate to remote code execution (RCE), allowing them to drop persistent PHP web shells on your servers.