Citrix UniconOS Improper Link Resolution Before File Access
CVE-2026-53562 Published on October 13, 2026
Local Privilege Escalation
Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.
This issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.
Vulnerability Analysis
CVE-2026-53562 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an insecure temporary file Vulnerability?
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2026-53562 has been classified to as an insecure temporary file vulnerability or weakness.
Affected Versions
Citrix UniconOS:- Before 2607 CR is affected.
- Before 2603 LTSR CU2 is affected.