ConfigServer Security & Firewall (CSF) 16.11-1 — cPanel & WHM Update

Package upgrade behavior fix Fixed an issue where upgrading cpanel-csf would overwrite custom csf-cron entries. For a full list of changes, read the ConfigServer Security & Firewall (CSF) change log.

Medium 2026-08-07

cPanel CSF

Affected Versions

16.11-1

Package upgrade behavior fix Fixed an issue where upgrading cpanel-csf would overwrite custom csf-cron entries. For a full list of changes, read the ConfigServer Security & Firewall (CSF) change log.

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo /scripts/upcp --force

References

Vendor Advisory

Security Advisories

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