CVE-2026-53562
Received Received - Intake

Improper Link Resolution in Citrix UniconOS

Vulnerability report for CVE-2026-53562, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Citrix Systems, Inc.

Description

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

CVSS Scores

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Citrix UniconOS 0
Citrix UniconOS 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Attack-Flow Graph

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Executive Summary

This is a link following vulnerability in Citrix UniconOS where improper link resolution before file access allows an attacker to access unauthorized files by exploiting symbolic links. It affects versions before 2607 CR and before 2603 LTSR CU2.

Impact Analysis

An attacker with local access could exploit this to read sensitive files, escalate privileges, or perform unauthorized actions on the system. The high CVSS score indicates significant risk of confidentiality, integrity, and availability impacts.

Mitigation Strategies

Update Citrix UniconOS to version 2607 CR or later, or to 2603 LTSR CU2 or later to address the improper link resolution vulnerability.

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