Threat Investigation
Request a demo

CVE-2026-53564

Medium

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.

SeverityMedium
CVSS5.1
Exploit probability—
ProductUniconOS
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-22Path traversal

How to fix

Update
  • Citrix UniconOS2607.2 CR, 2603 LTSR CU2 or later

Affected products

ProductAffected versionsFixed in
Citrix UniconOSv < 2607.2 CR, v < 2603 LTSR CU22607.2 CR, 2603 LTSR CU2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.