---
id: CVE-2026-53562
title: >-
  Improper link resolution before file access ('link following') vulnerability
  in Citrix UniconOS.


  This issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.
summary: >-
  Improper link resolution before file access ('link following') vulnerability
  in Citrix UniconOS.


  This issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.
severity: high
cwe:
  - CWE-59
published: '2026-10-13'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T16:04:11.750'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53562'
references:
  - url: >-
      https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697187
    label: secure@citrix.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T17:38:53.194Z'
vendor: Citrix
product: UniconOS
affected:
  - UniconOS < 2607 CR
  - UniconOS < 2603 LTSR CU2
cvss: 8.5
cvssVector: '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'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T17:10:42.055600Z'
cvssSource: cna
epss: 0.00203
epssPercentile: 0.10216
---

## Overview

Improper link resolution before file access ('link following') vulnerability in Citrix UniconOS.

This issue affects UniconOS: before 2607 CR and before 2603 LTSR CU2.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.