CVE-2026-53563

Timeline

Detection, updates, and resolution for this record.

1. Oct 13, 2026 · Catalog

   Detected

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

2. Oct 14, 2026 · NIST NVD

   Updated

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

3. Oct 14, 2026 · NIST NVD

   Updated

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

Sources

• CVE.orgCVE-2026-53563

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2026-53563

  30-day exploitation probability 0.2%

  first.org
• NIST NVDCVE-2026-53563

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

  nvd.nist.gov

References

• Reference · support.citrix.com