CVE-2025-53690
Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud contain a deserialization of untrusted data vulnerability involving the use of default machine keys. This flaw allows attackers to exploit exposed ASP.NET machine keys to achieve remote code execution. Vendor/Product: Sitecore Multiple Products. Added to CISA KEV 2025-09-04; required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.