[ CVE-2026-53563 · Published 13 Oct 2026 ]

Vulnerability in Citrix UniconOS

CVSS 6.9 EPSS <1%2 agency advisoriesFix available

[ Description ]Official description

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

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

  • CERT-FRCERTFR-2026-AVI-1310

    Multiple vulnerabilities in Citrix products Translated from French

    Multiple vulnerabilities have been discovered in Citrix products. Some of them allow an attacker to cause arbitrary code execution, privilege escalation and remote denial of service.

    CVE-2026-102700CVE-2026-53563CVE-2026-84419+5 more CVEs
  • BSI CERT-BundWID-SEC-2026-3928

    Citrix Systems UniconOS: Multiple vulnerabilities Translated from German

    CVE-2026-53562CVE-2026-53564CVE-2026-53563