CVE-2026-53564— Arbitrary file read and write
Quick assessment
Affected
Citrix UniconOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Citrix UniconOS 中存在任意文件读写漏洞 该问题影响 UniconOS 版本：早于 2607.2 CR 版本，以及早于 2603 LTSR CU2 版本。
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I. Basic Information for CVE-2026-53564
Vulnerability Information
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Vulnerability Title
Arbitrary file read and write
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in Citrix UniconOS leading to Arbitrary file read and write
This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-53564
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-53564 (1)
Same Patch Batch · Citrix · 2026-10-13 · 4 CVEs total
| CVE-2026-53562 | 8.5 HIGH | Local Privilege Escalation |
| CVE-2026-53563 | 6.9 MEDIUM | Persistent Command Execution |
| CVE-2026-84419 | 6.8 MEDIUM | Out-of-Bounds Write |
IV. Related Vulnerabilities
V. Comments for CVE-2026-53564
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