CVE-2026-53562 Citrix UniconOS - Path Traversal

Citrix UniconOS before 2607 CR and before 2603 LTSR CU2 contains a path traversal caused by improper link resolution before file access, letting attackers access unintended files, exploit requires no special privileges.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.15% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Path Traversal
Impact
File System Read, Information Disclosure
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-59

Vendor fix

Update to version 2607 CR or 2603 LTSR CU2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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