Critical BlockStrap flaw threatens Magento servers
🛡️ Researchers warn of a maximum-severity vulnerability, CVE-2026-103849, impacting Adobe Commerce and Magento Open Source that could allow arbitrary PHP code execution on store servers. Sansec found four potential attack paths within 24 hours and cautions that threat actors may rapidly weaponize the flaw, especially with AI assistance. Adobe rated the issue as priority 2, but Sansec urges quicker patching and warns administrators to apply the October 2026 release or the isolated fix while retaining prior hotfixes.