Guidewire is aware of a third-party certificate authority (CA) issue reported on October 20, 2026. Upon disclosure, Guidewire immediately initiated an investigation across all our applications, systems, and services. Our investigation is ongoing, and at this time we have found no evidence of compromise or impact to our subscription services. We will continue to monitor our systems closely and will provide further updates through this technical bulletin should actionable new information arise.  Please refer to Guidewire Community for more information.  https://community.guidewire.com/customers/s/article/Guidewire-Security-Remediation-Update-Third-Party-Certificate-Authority-CA-Issue

Guidewire is aware of the recently disclosed third-party Certificate Authority (CA) compromise that was made public on October 20, 2026. Guidewire investigates these issues with the utmost priority and has immediately initiated such an investigation to assess any potential impact. We will provide customers with additional updates and guidance as our investigation continues.