Contentstack incident
Contentstack - Global Infrastructure - Proactive Infrastructure Security Update "Copy Fail" Vulnerability (CVE-2026-31431)
Contentstack experienced a notice incident on May 9, 2026 affecting Web Application and Web Application and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- resolved May 09, 2026, 11:19 AM UTC
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 [email protected]