XenServer Security Update for Multiple Issues
CTX697038
Scope
What the vendor says is affected
- XenServer
- This issue affects XenCenter versions before 2026.4.0 and, for PowerShell and C# clients only, SDK versions before 26.15.0. As the issue is in the client-side (XenCenter and SDK) code, it is independent of the version of XenServer that is in use.
Next step
What the vendor recommends
We have released updated versions of both XenCenter and the SDK. We recommend that customers update their existing XenCenter to the latest version using the built-in update functionality as documented at https://docs.xenserver.com/en-us/xencenter/current-release/updates-xencenter.html We recommend that customers using the SDK download the latest version from https://www.xenserver.com/downloads What We Are Doing We are notifying customers and channel partners about this potential security issue through the publication of this security bulletin on the Citrix Knowledge Center at https://support.citrix.com/securitybulletins Acknowledgement Cloud Software Group thanks the Veeam Team for working with us to protect our customers. Obtaining Support on This Issue If you require technical assistance with this issue, please contact Citrix Technical Support. Contact details for Citrix Technical Support are available at https://www.citrix.com/support Subscribe to Receive Alerts We strongly recommend that all customers subscribe to receive alerts when a security bulletin is created or modified at https://support.citrix.com/user/alerts Reporting Security Vulnerabilities to Us We welcome input regarding the security of our products and consider any and all potential vulnerabilities seriously. For details on our vulnerability response process and guidance on how to report security-related issues to us, please see the following webpage: https://www.citrix.com/about/trust-center/vulnerability-process.html Change Log 2026-07-14 Initial Publication The information on this page is being provided to you on an "AS IS" and "AS-AVAILABLE" basis. The issues described on this page may or may not impact your system(s). Cloud Software Group, Inc. and its subsidiaries (collectively, "Cloud SG") make
Review the complete instructions on the vendor's siteUpdate history
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- The vendor changed the advisory's last-updated date.
Timeline
When this advisory changed
- Published by Citrix
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.
Vulnerabilities