A critical zero-day vulnerability in Sitecore’s enterprise content management system (CMS) has been uncovered, enabling unauthenticated attackers to execute arbitrary code on affected servers. Designated CVE-2025-27218, this pre-authentication remote code execution (RCE) flaw resides in Sitecore versions up to 10.4 and stems from unsafe deserialization practices involving the .NET BinaryFormatter class. The vulnerability exposes organizations using the platform […]
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