Vulnerability in Citrix UniconOS

[ Description ]Official description

Vulnerability in Citrix UniconOS leading to Arbitrary file read and write This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.

[ Fixes ]Fixes and patches

• Security bulletin: Citrix CTX697187Vendor patch or bulletin · CERT-FR · support.citrix.com/support-home/kbsearch/article, cited by CERT-FR CERTFR-2026-AVI-1310
• Security bulletin: Citrix CTX697181Vendor patch or bulletin · CERT-FR · support.citrix.com/support-home/kbsearch/article, cited by CERT-FR CERTFR-2026-AVI-1310
• Security bulletin: Citrix CTX697170Vendor patch or bulletin · CERT-FR · support.citrix.com/support-home/kbsearch/article, cited by CERT-FR CERTFR-2026-AVI-1310

[ Advisories ]Government CERT advisories

• CERT-FR14 Oct 2026CERTFR-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-Bund13 Oct 2026WID-SEC-2026-3928

  Citrix Systems UniconOS: Multiple vulnerabilities Translated from German

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

[ References ]References

• support.citrix.com/support-home/kbsearch/article