Arbitrary File Handling Vulnerability in Citrix UniconOS
CVE-2026-53564

5.1MEDIUM

Key Information:

Vendor

Citrix
Status
Uniconos
Vendor
CVE Published:
13 October 2026

What is CVE-2026-53564?

A significant vulnerability in Citrix UniconOS allows attackers to read and write arbitrary files, which could lead to unauthorized access to sensitive data. This flaw affects versions of the software prior to 2607.2 CR and 2603 LTSR CU2, exposing systems to potential exploitation. Users are advised to update to the latest versions to mitigate this security risk.

Affected Version(s)

UniconOS 0 < 2607.2 CR

UniconOS 0 < 2603 LTSR CU2

References

https://support.citrix.com/support-home/kbsearch/article?...

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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