An industry-wide security vulnerability known as "Copy Fail" (CVE-2026-31431) was publicly disclosed. This critical vulnerability affected the Linux operating systems used across most major cloud providers.
Resolution We are writing to let you know that our engineering team has successfully completed the full remediation of this vulnerability across all of our cloud infrastructure. The official security patches have been completely deployed, and post-upgrade validation has been performed to ensure all systems are running securely.
Customer Impact & Actions Required * Action Required: None. Our services are fully patched and secure, and you do not need to make any changes on your end. * Service Impact: No service interruptions occurred during this security update.
Security and reliability remain our highest priorities. If you have any questions or require further information, please feel free to reach out to our support team at support@contentstack.com
Posted May 09, 2026 - 05:19 MDT
This incident affected: Amazon Web Services US Region (Web Application), Amazon Web Services EU Region (Web Application), Microsoft Azure US Region (Web Application), Microsoft Azure EU Region (Web Application), Google Cloud Platform US Region (Web Application), Google Cloud Platform EU Region (Web Application), and Amazon Web Services AU Region (Web Application).