Critical SessionReaper Vulnerability in Adobe Commerce
⚠️ Adobe has disclosed a critical flaw, CVE-2025-54236 (SessionReaper), in Adobe Commerce and Magento Open Source that can enable attackers to take over customer accounts through the Commerce REST API. The issue, rated 9.1 by CVSS, stems from improper input validation and affects multiple product versions and a third-party module. Adobe published a hotfix and deployed WAF rules for cloud-hosted merchants while e-commerce security firm Sansec reproduced an exploitation path involving session manipulation and nested deserialization. Merchants should apply fixes, review session storage settings, and monitor for suspicious activity.
