Ref# ADV2026_167 | Date: Mar 19th 2026

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Citrix published a security advisory highlighting vulnerabilities in the following product on March 17^th, 2026. It is recommended that you take the necessary precautions by ensuring your products are always updated.

• XenServer – version 8.4.

For more information on this update, you can follow this URL:

• XenServer Security Update for CVE-2026-23554

 

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.

PDF Download: Citrix Security Advisory

References

• Citrix Security advisories. (March 18^th, 2026). Retrieved from Canadian Centre for Cyber Security
  https://www.cyber.gc.ca/en/alerts-advisories/citrix-security-advisory-av26-253

 

• CITRIX | Support. (n.d.). https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696350&articleURL=XenServer_Security_Update_for_CVE_2026_23554