CVE-2026-109618 / CVE-2026-109619 Response
Update - Mitigations - where available - are in place and as updates become available these are being applied.
Oct 21, 2026 - 14:40 UTC
Identified - Our teams are currently responding to PHP CVE-2026-109618 / CVE-2026-109619.

This involves applying mitigations and updates across our platforms.

Some of these mitigations may change PHP behaviour which in turn may cause behavioural changes in applications. Our apologies to any customers impacted by these changes, which are necessary to preserve security of your services.

Our support teams are on hand to assist with any queries you may have, please contact us in the usual way.
Oct 21, 2026 - 12:12 UTC

About This Site

If you are experiencing an issue not outlined on this page please email support@catalyst2.com

Uptime over the past 90 days. View historical uptime.
Core Network Operational
VMware infrastructure Operational
Dedicated Servers Operational
Shared Hosting Operational
Domain Services Operational
Support and Phones Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Oct 21, 2026

Unresolved incident: CVE-2026-109618 / CVE-2026-109619 Response.

Oct 20, 2026

No incidents reported.

Oct 19, 2026

No incidents reported.

Oct 18, 2026

No incidents reported.

Oct 17, 2026

No incidents reported.

Oct 16, 2026

Network Maintenance – AT-RISK - 2026-11-06
Completed - The scheduled maintenance has been completed.
Oct 16, 05:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 15, 22:00 UTC
Scheduled - This is a notice for a period of AT-RISK network maintenance.

Our UK dark fibre provider will be performing maintenance on one path of our resilient connectivity between our Telehouse (THN/THE) and Reading (RDG) datacentres.

This network is diversely deployed and will automatically utilise an alternative path, so this period is considered AT-RISK due to reduced resiliency during the works.

MAINTENANCE WINDOW

START
2026-11-06 22:00 GMT (22: 00 UTC)

END
2026-11-07 05:00 GMT (05:00 UTC)

EXPECTED IMPACT
No impact is expected. Notice for AT-RISK period only.

If you have any questions relating to this notice, please contact our support team and we will be happy to help.
Oct 15, 11:31 UTC

Oct 15, 2026

Oct 14, 2026

Planned Maintenance: Spam Filtering Mail Relay
Completed - The scheduled maintenance has been completed.
Oct 14, 22:59 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 14, 18:00 UTC
Scheduled - Hello,

We will be carrying out planned maintenance on our spam filtering mail relay, st4.mx.email-filter.net, during the window below.

This relay is part of a larger cluster of mail nodes. The remaining nodes will continue processing email, so no service impact is expected.

WINDOW START

2026-10-14 19:00 BST (18:00 UTC)

WINDOW END

2026-10-14 23:59 BST (22:59 UTC)

Dates are provided in the format YYYY-MM-DD.

If you have any questions regarding this notice, please contact support@catalyst2.com, and our team will be happy to assist.

Kind regards,
catalyst2
Oct 2, 13:31 UTC

Oct 13, 2026

Planned Maintenance: Secondary Nameservers
Completed - The scheduled maintenance has been completed.
Oct 13, 22:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 13, 20:00 UTC
Scheduled - Hello,

We will be carrying out planned maintenance on the following secondary nameservers during the window below:

- ns2.catalyst2.net
- ns6.catalyst2.net

Primary nameservers will remain online and continue responding to DNS requests, so no service impact is expected during this maintenance.

WINDOW START

2026-10-13 21:00 BST (20:00 UTC)

WINDOW END

2026-10-13 23:00 BST (22:00 UTC)

Dates are provided in the format YYYY-MM-DD.

If you have any questions regarding this notice, please contact support@catalyst2.com, and our team will be happy to assist.

Kind regards,
catalyst2
Oct 2, 13:15 UTC

Oct 12, 2026

Planned Maintenance: Backup DNS and MX Server for Plesk Shared Hosting
Completed - The scheduled maintenance has been completed.
Oct 12, 22:59 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 12, 18:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Oct 12, 18:00 UTC
Scheduled - Hello,

We will be carrying out planned maintenance on the backup DNS and mail exchanger (MX) server used by our Plesk shared hosting servers.

Primary DNS and mail services will remain available, so no disruption to customer services is expected.

WINDOW START

2026-10-12 19:00 BST (18:00 UTC)

WINDOW END

2026-10-12 23:59 BST (22:59 UTC)

Dates are provided in the format YYYY-MM-DD.

If you have any questions regarding this notice, please contact support@catalyst2.com, and our team will be happy to assist.

Kind regards,
catalyst2
Oct 1, 14:05 UTC

Oct 11, 2026

No incidents reported.

Oct 10, 2026

No incidents reported.

Oct 9, 2026

No incidents reported.

Oct 8, 2026

No incidents reported.

Oct 7, 2026

No incidents reported.

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