Citrix UniconOS pre-2607.2CR pre-2603LTSRCU2 Arbitrary File R/W Vulnerability
CVE-2026-53564 Published on October 13, 2026
Arbitrary file read and write
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
Vulnerability Analysis
Attack Vector:
ADJACENT
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
PASSIVE
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-53564 has been classified to as a Directory traversal vulnerability or weakness.
Affected Versions
Citrix UniconOS:- Before 2607.2 CR is affected.
- Before 2603 LTSR CU2 is affected.