CVE-2026-53562NVD

Vulnerability 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 Level

HIGH(8.5)

Published Date

Oct 13, 2026

Last Modified

Oct 13, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.15%Probability

Root Weakness (CWE)

CWE-59: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 8.5 (HIGH)

Attack VectorLocal

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredLow

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

Citrix UniconOS < 2607 CR
Citrix UniconOS < 2603 LTSR CU2

Patched Versions

Citrix UniconOS 2607 CR
Citrix UniconOS 2603 LTSR CU2

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