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Outage in Krystal

Access restricted to cPanel, WHM & Webmail

Resolved Minor
April 28, 2026 - Started 3 days ago - Lasted about 12 hours

Incident Report

We're currently applying precautionary restrictions to cPanel, WHM, and Webmail access following this recently disclosed security vulnerability affecting cPanel - https://support.cpanel.net/hc/en-us/articles/40073787579671-Critical-Vulnerability-with-cPanel-WHM-Login-Authentication There is no indication of any compromise to Krystal systems or customer data. This is a proactive step to remove any exposure while we await patches from cPanel. All customer websites, email delivery, and core hosting services remain fully operational. The changes are limited to cPanel and Webmail access only. Our team is closely monitoring the situation. We will restore normal access as soon as we have received confirmation from cPanel. We appreciate your understanding. As always, if you have any questions, our team is here to help.

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Latest Updates ( sorted recent to last )
MONITORING 3 days ago - at 04/28/2026 11:26PM

The cPanel patch has been deployed across the server fleet.

cPanel, WHM and Webmail access will now be available for all patched servers.

We are monitoring for any further impact. If you have any questions or experience relevant issues, please contact our Support team.

IDENTIFIED 3 days ago - at 04/28/2026 10:11PM

https://support.cpanel.net/hc/en-us/articles/40073787579671-Critical-Vulnerability-with-cPanel-WHM-Login-Authentication

cPanel have released a patch, which we are in the process of deploying.



Thank you for your patience.

IDENTIFIED 3 days ago - at 04/28/2026 09:08PM

We're currently applying precautionary restrictions to cPanel, WHM, and Webmail access following this recently disclosed security vulnerability affecting cPanel - https://support.cpanel.net/hc/en-us/articles/40073787579671-Critical-Vulnerability-with-cPanel-WHM-Login-Authentication


There is no indication of any compromise to Krystal systems or customer data. This is a proactive step to remove any exposure while we await patches from cPanel.


All customer websites, email delivery, and core hosting services remain fully operational. The changes are limited to cPanel and Webmail access only.


Our team is closely monitoring the situation. We will restore normal access as soon as we have received confirmation from cPanel.


We appreciate your understanding. As always, if you have any questions, our team is here to help.

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