Cpanel has asked all users to update servers running their hosting panel, due to several signiificant security issues:

https://support.cpanel.net/hc/en-us/articles/42285024734743-Security-CVE-2026-58047-HTTP-Request-Smuggling
https://support.cpanel.net/hc/en-us/articles/42285745783703-Security-CVE-2026-58048-Database-Privilege-Escalation
https://support.cpanel.net/hc/en-us/articles/42285884685207-Security-GCVE-25-2026-07-45-3-Exim-forward-Privilege-Escalation

This issue is fixed in the following versions:
11.110.0.137
11.126.0.78
11.134.0.48
11.136.0.32
11.138.1.6 (WP2)

In most cases CPanel will have automatically updated itself. Anyone who requires addtional help to complete this update, please open a support ticket with us https://rimuhosting.com/ticket/enterticketdetails.jsp