CVE-2026-53563: Citrix Uniconos

Medium severity, CVSS 6.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Vulnerability in Citrix UniconOS leading to Persistent Command Execution This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.

Affected products

• Citrix Uniconos: before 2607.2 CR (fixed in 2607.2 CR); before 2603 LTSR CU2 (fixed in 2603 LTSR CU2)

Published 2026-10-13. Last modified 2026-10-14.