What’s Vulnerable › Vulnerabilities
CVE-2026-53563: Persistent Command Execution
- Severity: medium (CVSS 6.9 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-14
- Weakness: CWE-78
Description
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; before 2603 LTSR CU2 — fixed in 2603 LTSR CU2, 2607.2 CR
How to fix
Upgrade to a fixed version: Citrix UniconOS 2603 LTSR CU2, 2607.2 CR. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-53563 or the next vulnerability affects your stack