Pantheon Operations Status
Real-time updates of Pantheon Operations issues and outages
Pantheon Operations status is Operational
Pantheon Operations Customer Sites
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Active Incidents
Beginning September 29, Pantheon identified malicious activity in which an attacker gained control of a customer website and used it to target platform resources.
Activity from the compromised site attempted to exploit a Linux kernel vulnerability (CVE-2026-53362) on platform application hosts, and some sites may have briefly experienced interruptions as a result.
We have taken the following actions:
- Disabled and deleted the affected site.
- Accelerated the operating-system and kernel updates already in progress, bringing application hosts to a version that addresses this vulnerability.
- Deployed additional platform protections and monitoring.
We have notified the affected customer directly. The compromise was limited to that single site; based on the information available to us, we have found no evidence of platform-wide data exfiltration or that this activity exposed data belonging to other customers. We are continuing to review platform activity and will update this advisory if that changes.
How to protect your site: Attackers most often gain control of a site through outdated or unmaintained code. Keeping your site current is the most effective protection. We strongly encourage all customers to keep CMS core, plugins, and themes fully updated, remove and delete sites and code you no longer use, and review user and credential access. If you notice unexpected code, deployments, or changes on your site, contact Pantheon Support.
We will post updates here as more information becomes available. If you have questions, please contact Pantheon Support.
Recently Resolved Incidents
No recent incidents
Pantheon Operations Outage Survival Guide
Pantheon Operations Components
Pantheon Operations Customer Sites
Beginning September 29, Pantheon identified malicious activity in which an attacker gained control of a customer website and used it to target platform resources.
Activity from the compromised site attempted to exploit a Linux kernel vulnerability (CVE-2026-53362) on platform application hosts, and some sites may have briefly experienced interruptions as a result.
We have taken the following actions:
- Disabled and deleted the affected site.
- Accelerated the operating-system and kernel updates already in progress, bringing application hosts to a version that addresses this vulnerability.
- Deployed additional platform protections and monitoring.
We have notified the affected customer directly. The compromise was limited to that single site; based on the information available to us, we have found no evidence of platform-wide data exfiltration or that this activity exposed data belonging to other customers. We are continuing to review platform activity and will update this advisory if that changes.
How to protect your site: Attackers most often gain control of a site through outdated or unmaintained code. Keeping your site current is the most effective protection. We strongly encourage all customers to keep CMS core, plugins, and themes fully updated, remove and delete sites and code you no longer use, and review user and credential access. If you notice unexpected code, deployments, or changes on your site, contact Pantheon Support.
We will post updates here as more information becomes available. If you have questions, please contact Pantheon Support.