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Security Advisories
Security Advisories
Advisories list and Security updates
Advisories List
PHP2Shell Vulnerability Response Note (October 2026)
CopyFail and DirtyFrag Kernel Vulnerability Response Note (May 2026)
CVE-2024-6387 RegreSSHion Vulnerability Response Note (Jul 5, 2024)
XZ Utils Vulnerability Response (Apr 5, 2024)
OpenSSH Vulnerability Response (Jan 23, 2024)
Security Updates
HYCU 5.3.0-4138 security updates
HYCU 5.3.0-3901 security updates
HYCU 5.2.1-1025 security updates
HYCU 5.2.1-785 security updates
HYCU 5.2.0-4695 security updates
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https://support.hycu.com/hc/en-us/categories/15368398304028-Getting-Started
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Getting Started
Start with HYCU, check best practices, and make first steps toward protection.
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https://support.hycu.com/hc/en-us/categories/15363454825500-Documentation
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Documentation
Release notes and user documentation for all HYCU products.
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https://support.hycu.com/hc/en-us/categories/15363121766940-Downloads
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Downloads
Downloads and updates for R-Cloud Hybrid Cloud Edition and Monitoring.
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https://support.hycu.com/hc/en-us/categories/15364604513180-How-to-and-Troubleshooting
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How-To and Troubleshooting
Knowledge base and common use cases for cloud and on-prem operations.
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https://support.hycu.com/hc/en-us/categories/15363667456284-Learning-Center
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Learning Center
HYCU Enablement and Certification.
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https://support.hycu.com/hc/en-us/categories/4412547302546-Security-Advisories
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Security Advisories
Vulnerability responses and on-prem security updates.
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