Live › vulnerability › CVE-2025-53690
Go to dashboardSitecore Experience Manager, Experience Platform, Experience Commerce and Managed Cloud ship with default ASP.NET machine keys that are exposed. An attacker who knows or obtains those keys can send crafted serialized data and run code on the server.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Sitecore Multiple Products | vendor | – | – |
| sitecore experience commerce | vendor | <= 9.0 | – |
| sitecore experience manager | vendor | <= 9.0 | – |
| sitecore experience platform | vendor | <= 9.0 | – |
| sitecore managed cloud | vendor | – | – |
Check whether your Sitecore deployment uses the default ASP.NET machineKey values in web.config (validationKey and decryptionKey).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA 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.
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