HCSEC-004-MARCH-2026 [PLATFORM]
WHMCS Platform Security and Stability Update
Status: Resolved
Severity: Low
Category: Platform
First Observed: March 2026
Last Updated: March 18, 2026
Affected Services: Billing platform (WHMCS)
Summary
On March 3rd, 2026, the HOST-C billing platform was upgraded to WHMCS version 9.0.2 as part of routine maintenance and security lifecycle management.
The update included stability improvements, operational fixes, and an undisclosed vendor security patch.
Impact
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No service downtime occurred during the upgrade
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No customer data exposure or compromise was identified
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No billing inconsistencies were detected
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Improved error handling and system stability
Customer Impact
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No action is required from customers
Changes Included
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WHMCS-25228 — Fixed renewal of cancelled services
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WHMCS-25250 — Improved invoice generation error handling
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WHMCS-25002 — Improved OAuth error handling
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WHMCS-22710 — Undisclosed security fix
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WHMCS-25149 — Improved late fee handling
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WHMCS-24960 — Improved domain addon handling
Resolution
The update has been successfully deployed and verified across the HOST-C billing infrastructure.
All systems are operating normally following the upgrade.
Closing Statement
This update was part of routine platform maintenance and vendor patching, ensuring continued system stability and security.
— HOST-C Network
"Storage by Design"
